129343408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260773}}^1$

素因数の和:260812

約数の個数: 20

約数和(自身を含む): 258687808

約数和(自身を除く): 129344400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260773, 521546, 1043092, 2086184, 4172368, 8083963, 16167926, 32335852, 64671704, 129343408]

約数ペア:

[(1, 129343408), (2, 64671704), (4, 32335852), (8, 16167926), (16, 8083963), (31, 4172368), (62, 2086184), (124, 1043092), (248, 521546), (496, 260773)]