280933345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{10891}}^1$

素因数の和:10981

約数の個数: 32

約数和(自身を含む): 426617856

約数和(自身を除く): 145684511

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 737, 2345, 3685, 5159, 10891, 25795, 54455, 76237, 119801, 381185, 599005, 729697, 838607, 3648485, 4193035, 5107879, 8026667, 25539395, 40133335, 56186669, 280933345]

約数ペア:

[(1, 280933345), (5, 56186669), (7, 40133335), (11, 25539395), (35, 8026667), (55, 5107879), (67, 4193035), (77, 3648485), (335, 838607), (385, 729697), (469, 599005), (737, 381185), (2345, 119801), (3685, 76237), (5159, 54455), (10891, 25795)]