831407408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{92957}}^1$

素因数の和:93021

約数の個数: 40

約数和(自身を含む): 1775125968

約数和(自身を除く): 943718560

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 92957, 185914, 371828, 743656, 1208441, 1487312, 2416882, 3997151, 4833764, 7994302, 9667528, 15988604, 19335056, 31977208, 51962963, 63954416, 103925926, 207851852, 415703704, 831407408]

約数ペア:

[(1, 831407408), (2, 415703704), (4, 207851852), (8, 103925926), (13, 63954416), (16, 51962963), (26, 31977208), (43, 19335056), (52, 15988604), (86, 9667528), (104, 7994302), (172, 4833764), (208, 3997151), (344, 2416882), (559, 1487312), (688, 1208441), (1118, 743656), (2236, 371828), (4472, 185914), (8944, 92957)]