90072872

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 172134720

約数和(自身を除く): 82061848

約数列:

[1, 2, 4, 8, 71, 142, 284, 347, 457, 568, 694, 914, 1388, 1828, 2776, 3656, 24637, 32447, 49274, 64894, 98548, 129788, 158579, 197096, 259576, 317158, 634316, 1268632, 11259109, 22518218, 45036436, 90072872]

約数ペア:

[(1, 90072872), (2, 45036436), (4, 22518218), (8, 11259109), (71, 1268632), (142, 634316), (284, 317158), (347, 259576), (457, 197096), (568, 158579), (694, 129788), (914, 98548), (1388, 64894), (1828, 49274), (2776, 32447), (3656, 24637)]