261920178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{36107}}^1$

素因数の和:36159

約数の個数: 48

約数和(自身を含む): 630878976

約数和(自身を除く): 368958798

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 36107, 72214, 108321, 216642, 324963, 469391, 649926, 938782, 1119317, 1408173, 2238634, 2816346, 3357951, 4224519, 6715902, 8449038, 10073853, 14551121, 20147706, 29102242, 43653363, 87306726, 130960089, 261920178]

約数ペア:

[(1, 261920178), (2, 130960089), (3, 87306726), (6, 43653363), (9, 29102242), (13, 20147706), (18, 14551121), (26, 10073853), (31, 8449038), (39, 6715902), (62, 4224519), (78, 3357951), (93, 2816346), (117, 2238634), (186, 1408173), (234, 1119317), (279, 938782), (403, 649926), (558, 469391), (806, 324963), (1209, 216642), (2418, 108321), (3627, 72214), (7254, 36107)]