208045985

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 292315392

約数和(自身を除く): 84269407

約数列:

[1, 5, 7, 35, 73, 107, 365, 511, 535, 749, 761, 2555, 3745, 3805, 5327, 7811, 26635, 39055, 54677, 55553, 81427, 273385, 277765, 388871, 407135, 569989, 1944355, 2849945, 5944171, 29720855, 41609197, 208045985]

約数ペア:

[(1, 208045985), (5, 41609197), (7, 29720855), (35, 5944171), (73, 2849945), (107, 1944355), (365, 569989), (511, 407135), (535, 388871), (749, 277765), (761, 273385), (2555, 81427), (3745, 55553), (3805, 54677), (5327, 39055), (7811, 26635)]