64778524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20789}}^1$

素因数の和:20853

約数の個数: 24

約数和(自身を含む): 122245200

約数和(自身を除く): 57466676

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 20789, 41578, 83156, 394991, 789982, 852349, 1579964, 1704698, 3409396, 16194631, 32389262, 64778524]

約数ペア:

[(1, 64778524), (2, 32389262), (4, 16194631), (19, 3409396), (38, 1704698), (41, 1579964), (76, 852349), (82, 789982), (164, 394991), (779, 83156), (1558, 41578), (3116, 20789)]