251007985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{19139}}^1$

素因数の和:19248

約数の個数: 16

約数和(自身を含む): 313283520

約数和(自身を除く): 62275535

約数列:

[1, 5, 43, 61, 215, 305, 2623, 13115, 19139, 95695, 822977, 1167479, 4114885, 5837395, 50201597, 251007985]

約数ペア:

[(1, 251007985), (5, 50201597), (43, 5837395), (61, 4114885), (215, 1167479), (305, 822977), (2623, 95695), (13115, 19139)]