1405876688

素因数分解:

$2^4\times {\mathrm{5659}}^1\times {\mathrm{15527}}^1$

素因数の和:21194

約数の個数: 20

約数和(自身を含む): 2724542880

約数和(自身を除く): 1318666192

約数列:

[1, 2, 4, 8, 16, 5659, 11318, 15527, 22636, 31054, 45272, 62108, 90544, 124216, 248432, 87867293, 175734586, 351469172, 702938344, 1405876688]

約数ペア:

[(1, 1405876688), (2, 702938344), (4, 351469172), (8, 175734586), (16, 87867293), (5659, 248432), (11318, 124216), (15527, 90544), (22636, 62108), (31054, 45272)]