81448432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{391579}}^1$

素因数の和:391600

約数の個数: 20

約数和(自身を含む): 169945720

約数和(自身を除く): 88497288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 391579, 783158, 1566316, 3132632, 5090527, 6265264, 10181054, 20362108, 40724216, 81448432]

約数ペア:

[(1, 81448432), (2, 40724216), (4, 20362108), (8, 10181054), (13, 6265264), (16, 5090527), (26, 3132632), (52, 1566316), (104, 783158), (208, 391579)]