261674658

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 695255040

約数和(自身を除く): 433580382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 137, 163, 186, 189, 217, 274, 279, 326, 378, 411, 434, 489, 558, 651, 822, 837, 959, 978, 1141, 1233, 1302, 1467, 1674, 1918, 1953, 2282, 2466, 2877, 2934, 3423, 3699, 3906, 4247, 4401, 5053, 5754, 5859, 6846, 7398, 8494, 8631, 8802, 10106, 10269, 11718, 12741, 15159, 17262, 20538, 22331, 25482, 25893, 29729, 30318, 30807, 35371, 38223, 44662, 45477, 51786, 59458, 61614, 66993, 70742, 76446, 89187, 90954, 106113, 114669, 133986, 136431, 156317, 178374, 200979, 212226, 229338, 267561, 272862, 312634, 318339, 401958, 468951, 535122, 602937, 636678, 692261, 802683, 937902, 955017, 1205874, 1384522, 1406853, 1605366, 1910034, 2076783, 2813706, 4153566, 4220559, 4845827, 6230349, 8441118, 9691654, 12460698, 14537481, 18691047, 29074962, 37382094, 43612443, 87224886, 130837329, 261674658]

約数ペア:

[(1, 261674658), (2, 130837329), (3, 87224886), (6, 43612443), (7, 37382094), (9, 29074962), (14, 18691047), (18, 14537481), (21, 12460698), (27, 9691654), (31, 8441118), (42, 6230349), (54, 4845827), (62, 4220559), (63, 4153566), (93, 2813706), (126, 2076783), (137, 1910034), (163, 1605366), (186, 1406853), (189, 1384522), (217, 1205874), (274, 955017), (279, 937902), (326, 802683), (378, 692261), (411, 636678), (434, 602937), (489, 535122), (558, 468951), (651, 401958), (822, 318339), (837, 312634), (959, 272862), (978, 267561), (1141, 229338), (1233, 212226), (1302, 200979), (1467, 178374), (1674, 156317), (1918, 136431), (1953, 133986), (2282, 114669), (2466, 106113), (2877, 90954), (2934, 89187), (3423, 76446), (3699, 70742), (3906, 66993), (4247, 61614), (4401, 59458), (5053, 51786), (5754, 45477), (5859, 44662), (6846, 38223), (7398, 35371), (8494, 30807), (8631, 30318), (8802, 29729), (10106, 25893), (10269, 25482), (11718, 22331), (12741, 20538), (15159, 17262)]