25557565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 36224640

約数和(自身を除く): 10667075

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 661, 703, 1045, 2035, 3305, 3515, 7271, 7733, 12559, 24457, 36355, 38665, 62795, 122285, 138149, 269027, 464683, 690745, 1345135, 2323415, 5111513, 25557565]

約数ペア:

[(1, 25557565), (5, 5111513), (11, 2323415), (19, 1345135), (37, 690745), (55, 464683), (95, 269027), (185, 138149), (209, 122285), (407, 62795), (661, 38665), (703, 36355), (1045, 24457), (2035, 12559), (3305, 7733), (3515, 7271)]