349998272

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{420671}}^1$

素因数の和:420696

約数の個数: 28

約数和(自身を含む): 747954816

約数和(自身を除く): 397956544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 420671, 841342, 1682684, 3365368, 5468723, 6730736, 10937446, 13461472, 21874892, 26922944, 43749784, 87499568, 174999136, 349998272]

約数ペア:

[(1, 349998272), (2, 174999136), (4, 87499568), (8, 43749784), (13, 26922944), (16, 21874892), (26, 13461472), (32, 10937446), (52, 6730736), (64, 5468723), (104, 3365368), (208, 1682684), (416, 841342), (832, 420671)]