397715524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{20849}}^1$

素因数の和:21123

約数の個数: 24

約数和(自身を含む): 735588000

約数和(自身を除く): 337872476

約数列:

[1, 2, 4, 19, 38, 76, 251, 502, 1004, 4769, 9538, 19076, 20849, 41698, 83396, 396131, 792262, 1584524, 5233099, 10466198, 20932396, 99428881, 198857762, 397715524]

約数ペア:

[(1, 397715524), (2, 198857762), (4, 99428881), (19, 20932396), (38, 10466198), (76, 5233099), (251, 1584524), (502, 792262), (1004, 396131), (4769, 83396), (9538, 41698), (19076, 20849)]