249984254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{787}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 426276480

約数和(自身を除く): 176292226

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 643, 787, 1286, 1574, 8359, 10231, 12217, 14953, 16718, 20462, 24434, 29906, 158821, 194389, 317642, 388778, 506041, 1012082, 6578533, 9614779, 13157066, 19229558, 124992127, 249984254]

約数ペア:

[(1, 249984254), (2, 124992127), (13, 19229558), (19, 13157066), (26, 9614779), (38, 6578533), (247, 1012082), (494, 506041), (643, 388778), (787, 317642), (1286, 194389), (1574, 158821), (8359, 29906), (10231, 24434), (12217, 20462), (14953, 16718)]