261152008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{13147}}^1$

素因数の和:13357

約数の個数: 32

約数和(自身を含む): 530127360

約数和(自身を除く): 268975352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 1528, 2483, 4966, 9932, 13147, 19864, 26294, 52588, 105176, 170911, 341822, 683644, 1367288, 2511077, 5022154, 10044308, 20088616, 32644001, 65288002, 130576004, 261152008]

約数ペア:

[(1, 261152008), (2, 130576004), (4, 65288002), (8, 32644001), (13, 20088616), (26, 10044308), (52, 5022154), (104, 2511077), (191, 1367288), (382, 683644), (764, 341822), (1528, 170911), (2483, 105176), (4966, 52588), (9932, 26294), (13147, 19864)]