90418405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10211}}^1$

素因数の和:10257

約数の個数: 32

約数和(自身を含む): 141170688

約数和(自身を除く): 50752283

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 10211, 51055, 71477, 112321, 234853, 357385, 561605, 786247, 1174265, 1643971, 2583383, 3931235, 8219855, 12916915, 18083681, 90418405]

約数ペア:

[(1, 90418405), (5, 18083681), (7, 12916915), (11, 8219855), (23, 3931235), (35, 2583383), (55, 1643971), (77, 1174265), (115, 786247), (161, 561605), (253, 357385), (385, 234853), (805, 112321), (1265, 71477), (1771, 51055), (8855, 10211)]