388201541

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 489216000

約数和(自身を除く): 101014459

約数列:

[1, 7, 13, 83, 91, 103, 499, 581, 721, 1079, 1339, 3493, 6487, 7553, 8549, 9373, 41417, 45409, 51397, 59843, 111137, 289919, 359779, 538421, 668161, 777959, 3768947, 4265951, 4677127, 29861657, 55457363, 388201541]

約数ペア:

[(1, 388201541), (7, 55457363), (13, 29861657), (83, 4677127), (91, 4265951), (103, 3768947), (499, 777959), (581, 668161), (721, 538421), (1079, 359779), (1339, 289919), (3493, 111137), (6487, 59843), (7553, 51397), (8549, 45409), (9373, 41417)]