7851688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4441}}^1$

素因数の和:4477

約数の個数: 32

約数和(自身を含む): 16790760

約数和(自身を除く): 8939072

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 4441, 8882, 17764, 35528, 57733, 75497, 115466, 150994, 230932, 301988, 461864, 603976, 981461, 1962922, 3925844, 7851688]

約数ペア:

[(1, 7851688), (2, 3925844), (4, 1962922), (8, 981461), (13, 603976), (17, 461864), (26, 301988), (34, 230932), (52, 150994), (68, 115466), (104, 75497), (136, 57733), (221, 35528), (442, 17764), (884, 8882), (1768, 4441)]