12899686064

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{20107}}^1$

素因数の和:20613

約数の個数: 40

約数和(自身を含む): 25305435408

約数和(自身を除く): 12405749344

約数列:

[1, 2, 4, 8, 16, 101, 202, 397, 404, 794, 808, 1588, 1616, 3176, 6352, 20107, 40097, 40214, 80194, 80428, 160388, 160856, 320776, 321712, 641552, 2030807, 4061614, 7982479, 8123228, 15964958, 16246456, 31929916, 32492912, 63859832, 127719664, 806230379, 1612460758, 3224921516, 6449843032, 12899686064]

約数ペア:

[(1, 12899686064), (2, 6449843032), (4, 3224921516), (8, 1612460758), (16, 806230379), (101, 127719664), (202, 63859832), (397, 32492912), (404, 31929916), (794, 16246456), (808, 15964958), (1588, 8123228), (1616, 7982479), (3176, 4061614), (6352, 2030807), (20107, 641552), (40097, 321712), (40214, 320776), (80194, 160856), (80428, 160388)]