686026404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 2063932416

約数和(自身を除く): 1377906012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 137, 186, 217, 252, 274, 279, 372, 411, 434, 548, 558, 641, 651, 822, 868, 959, 1116, 1233, 1282, 1302, 1644, 1918, 1923, 1953, 2466, 2564, 2604, 2877, 3836, 3846, 3906, 4247, 4487, 4932, 5754, 5769, 7692, 7812, 8494, 8631, 8974, 11508, 11538, 12741, 13461, 16988, 17262, 17948, 19871, 23076, 25482, 26922, 29729, 34524, 38223, 39742, 40383, 50964, 53844, 59458, 59613, 76446, 79484, 80766, 87817, 89187, 118916, 119226, 139097, 152892, 161532, 175634, 178374, 178839, 238452, 263451, 267561, 278194, 351268, 356748, 357678, 417291, 526902, 535122, 556388, 614719, 715356, 790353, 834582, 1053804, 1070244, 1229438, 1251873, 1580706, 1669164, 1844157, 2458876, 2503746, 2722327, 3161412, 3688314, 5007492, 5444654, 5532471, 7376628, 8166981, 10889308, 11064942, 16333962, 19056289, 22129884, 24500943, 32667924, 38112578, 49001886, 57168867, 76225156, 98003772, 114337734, 171506601, 228675468, 343013202, 686026404]

約数ペア:

[(1, 686026404), (2, 343013202), (3, 228675468), (4, 171506601), (6, 114337734), (7, 98003772), (9, 76225156), (12, 57168867), (14, 49001886), (18, 38112578), (21, 32667924), (28, 24500943), (31, 22129884), (36, 19056289), (42, 16333962), (62, 11064942), (63, 10889308), (84, 8166981), (93, 7376628), (124, 5532471), (126, 5444654), (137, 5007492), (186, 3688314), (217, 3161412), (252, 2722327), (274, 2503746), (279, 2458876), (372, 1844157), (411, 1669164), (434, 1580706), (548, 1251873), (558, 1229438), (641, 1070244), (651, 1053804), (822, 834582), (868, 790353), (959, 715356), (1116, 614719), (1233, 556388), (1282, 535122), (1302, 526902), (1644, 417291), (1918, 357678), (1923, 356748), (1953, 351268), (2466, 278194), (2564, 267561), (2604, 263451), (2877, 238452), (3836, 178839), (3846, 178374), (3906, 175634), (4247, 161532), (4487, 152892), (4932, 139097), (5754, 119226), (5769, 118916), (7692, 89187), (7812, 87817), (8494, 80766), (8631, 79484), (8974, 76446), (11508, 59613), (11538, 59458), (12741, 53844), (13461, 50964), (16988, 40383), (17262, 39742), (17948, 38223), (19871, 34524), (23076, 29729), (25482, 26922)]