201054865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 278317440

約数和(自身を除く): 77262575

約数列:

[1, 5, 11, 19, 55, 95, 209, 421, 457, 1045, 2105, 2285, 4631, 5027, 7999, 8683, 23155, 25135, 39995, 43415, 87989, 95513, 192397, 439945, 477565, 961985, 2116367, 3655543, 10581835, 18277715, 40210973, 201054865]

約数ペア:

[(1, 201054865), (5, 40210973), (11, 18277715), (19, 10581835), (55, 3655543), (95, 2116367), (209, 961985), (421, 477565), (457, 439945), (1045, 192397), (2105, 95513), (2285, 87989), (4631, 43415), (5027, 39995), (7999, 25135), (8683, 23155)]