2191567475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{4177}}^1$

素因数の和:4895

約数の個数: 24

約数和(自身を含む): 2810022528

約数和(自身を除く): 618455053

約数列:

[1, 5, 25, 31, 155, 677, 775, 3385, 4177, 16925, 20885, 20987, 104425, 104935, 129487, 524675, 647435, 2827829, 3237175, 14139145, 70695725, 87662699, 438313495, 2191567475]

約数ペア:

[(1, 2191567475), (5, 438313495), (25, 87662699), (31, 70695725), (155, 14139145), (677, 3237175), (775, 2827829), (3385, 647435), (4177, 524675), (16925, 129487), (20885, 104935), (20987, 104425)]