1391637121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{41687}}^1$

素因数の和:41964

約数の個数: 16

約数和(自身を含む): 1680860160

約数和(自身を除く): 289223039

約数列:

[1, 7, 19, 133, 251, 1757, 4769, 33383, 41687, 291809, 792053, 5544371, 10463437, 73244059, 198805303, 1391637121]

約数ペア:

[(1, 1391637121), (7, 198805303), (19, 73244059), (133, 10463437), (251, 5544371), (1757, 792053), (4769, 291809), (33383, 41687)]