72431216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31657}}^1$

素因数の和:31689

約数の個数: 40

約数和(自身を含む): 164874864

約数和(自身を除く): 92443648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 31657, 63314, 126628, 253256, 348227, 411541, 506512, 696454, 823082, 1392908, 1646164, 2785816, 3292328, 4526951, 5571632, 6584656, 9053902, 18107804, 36215608, 72431216]

約数ペア:

[(1, 72431216), (2, 36215608), (4, 18107804), (8, 9053902), (11, 6584656), (13, 5571632), (16, 4526951), (22, 3292328), (26, 2785816), (44, 1646164), (52, 1392908), (88, 823082), (104, 696454), (143, 506512), (176, 411541), (208, 348227), (286, 253256), (572, 126628), (1144, 63314), (2288, 31657)]