128013496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15581}}^1$

素因数の和:15679

約数の個数: 32

約数和(自身を含む): 261777600

約数和(自身を除く): 133764104

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 15581, 31162, 62324, 124648, 202553, 405106, 810212, 1230899, 1620424, 2461798, 4923596, 9847192, 16001687, 32003374, 64006748, 128013496]

約数ペア:

[(1, 128013496), (2, 64006748), (4, 32003374), (8, 16001687), (13, 9847192), (26, 4923596), (52, 2461798), (79, 1620424), (104, 1230899), (158, 810212), (316, 405106), (632, 202553), (1027, 124648), (2054, 62324), (4108, 31162), (8216, 15581)]