38920945

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6907}}^1$

素因数の和:6949

約数の個数: 24

約数和(自身を含む): 56700864

約数和(自身を除く): 17779919

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 6907, 34535, 48349, 158861, 241745, 338443, 794305, 1112027, 1692215, 5560135, 7784189, 38920945]

約数ペア:

[(1, 38920945), (5, 7784189), (7, 5560135), (23, 1692215), (35, 1112027), (49, 794305), (115, 338443), (161, 241745), (245, 158861), (805, 48349), (1127, 34535), (5635, 6907)]