661089.0000000

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1240

約数の個数: 24

約数和(自身を含む): 7261380

約数和(自身を除く): 3612452

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1129, 1616, 2258, 3232, 4516, 9032, 18064, 36128, 114029, 228058, 456116, 912232, 1824464, 3648928]

約数ペア:

[(1, 3648928), (2, 1824464), (4, 912232), (8, 456116), (16, 228058), (32, 114029), (101, 36128), (202, 18064), (404, 9032), (808, 4516), (1129, 3232), (1616, 2258)]