61855564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{21997}}^1$

素因数の和:22057

約数の個数: 24

約数和(自身を含む): 117029360

約数和(自身を除く): 55173796

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 21997, 43994, 87988, 417943, 813889, 835886, 1627778, 1671772, 3255556, 15463891, 30927782, 61855564]

約数ペア:

[(1, 61855564), (2, 30927782), (4, 15463891), (19, 3255556), (37, 1671772), (38, 1627778), (74, 835886), (76, 813889), (148, 417943), (703, 87988), (1406, 43994), (2812, 21997)]