399973561884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{86969}}^1$

素因数の和:87340

約数の個数: 144

約数和(自身を含む): 1127498561280

約数和(自身を除く): 727524999396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 317, 372, 403, 468, 558, 634, 806, 951, 1116, 1209, 1268, 1612, 1902, 2418, 2853, 3627, 3804, 4121, 4836, 5706, 7254, 8242, 9827, 11412, 12363, 14508, 16484, 19654, 24726, 29481, 37089, 39308, 49452, 58962, 74178, 86969, 88443, 117924, 127751, 148356, 173938, 176886, 255502, 260907, 347876, 353772, 383253, 511004, 521814, 766506, 782721, 1043628, 1130597, 1149759, 1533012, 1565442, 2261194, 2299518, 2696039, 3130884, 3391791, 4522388, 4599036, 5392078, 6783582, 8088117, 10175373, 10784156, 13567164, 16176234, 20350746, 24264351, 27569173, 32352468, 35048507, 40701492, 48528702, 55138346, 70097014, 82707519, 97057404, 105145521, 110276692, 140194028, 165415038, 210291042, 248122557, 315436563, 330830076, 358399249, 420582084, 496245114, 630873126, 716798498, 854644363, 992490228, 1075197747, 1261746252, 1433596996, 1709288726, 2150395494, 2563933089, 3225593241, 3418577452, 4300790988, 5127866178, 6451186482, 7691799267, 10255732356, 11110376719, 12902372964, 15383598534, 22220753438, 30767197068, 33331130157, 44441506876, 66662260314, 99993390471, 133324520628, 199986780942, 399973561884]

約数ペア:

[(1, 399973561884), (2, 199986780942), (3, 133324520628), (4, 99993390471), (6, 66662260314), (9, 44441506876), (12, 33331130157), (13, 30767197068), (18, 22220753438), (26, 15383598534), (31, 12902372964), (36, 11110376719), (39, 10255732356), (52, 7691799267), (62, 6451186482), (78, 5127866178), (93, 4300790988), (117, 3418577452), (124, 3225593241), (156, 2563933089), (186, 2150395494), (234, 1709288726), (279, 1433596996), (317, 1261746252), (372, 1075197747), (403, 992490228), (468, 854644363), (558, 716798498), (634, 630873126), (806, 496245114), (951, 420582084), (1116, 358399249), (1209, 330830076), (1268, 315436563), (1612, 248122557), (1902, 210291042), (2418, 165415038), (2853, 140194028), (3627, 110276692), (3804, 105145521), (4121, 97057404), (4836, 82707519), (5706, 70097014), (7254, 55138346), (8242, 48528702), (9827, 40701492), (11412, 35048507), (12363, 32352468), (14508, 27569173), (16484, 24264351), (19654, 20350746), (24726, 16176234), (29481, 13567164), (37089, 10784156), (39308, 10175373), (49452, 8088117), (58962, 6783582), (74178, 5392078), (86969, 4599036), (88443, 4522388), (117924, 3391791), (127751, 3130884), (148356, 2696039), (173938, 2299518), (176886, 2261194), (255502, 1565442), (260907, 1533012), (347876, 1149759), (353772, 1130597), (383253, 1043628), (511004, 782721), (521814, 766506)]