253499090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{62903}}^1$

素因数の和:62954

約数の個数: 32

約数和(自身を含む): 507257856

約数和(自身を除く): 253758766

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 62903, 125806, 314515, 629030, 817739, 1635478, 1949993, 3899986, 4088695, 8177390, 9749965, 19499930, 25349909, 50699818, 126749545, 253499090]

約数ペア:

[(1, 253499090), (2, 126749545), (5, 50699818), (10, 25349909), (13, 19499930), (26, 9749965), (31, 8177390), (62, 4088695), (65, 3899986), (130, 1949993), (155, 1635478), (310, 817739), (403, 629030), (806, 314515), (2015, 125806), (4030, 62903)]