28004108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2663}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 53706240

約数和(自身を除く): 25702132

約数列:

[1, 2, 4, 11, 22, 44, 239, 478, 956, 2629, 2663, 5258, 5326, 10516, 10652, 29293, 58586, 117172, 636457, 1272914, 2545828, 7001027, 14002054, 28004108]

約数ペア:

[(1, 28004108), (2, 14002054), (4, 7001027), (11, 2545828), (22, 1272914), (44, 636457), (239, 117172), (478, 58586), (956, 29293), (2629, 10652), (2663, 10516), (5258, 5326)]