251242321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{19913}}^1$

素因数の和:19992

約数の個数: 16

約数和(自身を含む): 290585088

約数和(自身を除く): 39342767

約数列:

[1, 11, 31, 37, 341, 407, 1147, 12617, 19913, 219043, 617303, 736781, 6790333, 8104591, 22840211, 251242321]

約数ペア:

[(1, 251242321), (11, 22840211), (31, 8104591), (37, 6790333), (341, 736781), (407, 617303), (1147, 219043), (12617, 19913)]