8393905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 11561760

約数和(自身を除く): 3167855

約数列:

[1, 5, 13, 29, 61, 65, 73, 145, 305, 365, 377, 793, 949, 1769, 1885, 2117, 3965, 4453, 4745, 8845, 10585, 22265, 22997, 27521, 57889, 114985, 129137, 137605, 289445, 645685, 1678781, 8393905]

約数ペア:

[(1, 8393905), (5, 1678781), (13, 645685), (29, 289445), (61, 137605), (65, 129137), (73, 114985), (145, 57889), (305, 27521), (365, 22997), (377, 22265), (793, 10585), (949, 8845), (1769, 4745), (1885, 4453), (2117, 3965)]