378778816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{455263}}^1$

素因数の和:455288

約数の個数: 28

約数和(自身を含む): 809459392

約数和(自身を除く): 430680576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 455263, 910526, 1821052, 3642104, 5918419, 7284208, 11836838, 14568416, 23673676, 29136832, 47347352, 94694704, 189389408, 378778816]

約数ペア:

[(1, 378778816), (2, 189389408), (4, 94694704), (8, 47347352), (13, 29136832), (16, 23673676), (26, 14568416), (32, 11836838), (52, 7284208), (64, 5918419), (104, 3642104), (208, 1821052), (416, 910526), (832, 455263)]