399995242

素因数分解:

$2^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1\times {\mathrm{1163}}^1$

素因数の和:1997

約数の個数: 16

約数和(自身を含む): 603417600

約数和(自身を除く): 203422358

約数列:

[1, 2, 383, 449, 766, 898, 1163, 2326, 171967, 343934, 445429, 522187, 890858, 1044374, 199997621, 399995242]

約数ペア:

[(1, 399995242), (2, 199997621), (383, 1044374), (449, 890858), (766, 522187), (898, 445429), (1163, 343934), (2326, 171967)]