31459376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151247}}^1$

素因数の和:151268

約数の個数: 20

約数和(自身を含む): 65641632

約数和(自身を除く): 34182256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 151247, 302494, 604988, 1209976, 1966211, 2419952, 3932422, 7864844, 15729688, 31459376]

約数ペア:

[(1, 31459376), (2, 15729688), (4, 7864844), (8, 3932422), (13, 2419952), (16, 1966211), (26, 1209976), (52, 604988), (104, 302494), (208, 151247)]