399360005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5851}}^1$

素因数の和:5957

約数の個数: 32

約数和(自身を含む): 561230208

約数和(自身を除く): 161870203

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 365, 803, 935, 1241, 4015, 5851, 6205, 13651, 29255, 64361, 68255, 99467, 321805, 427123, 497335, 1094137, 2135615, 4698353, 5470685, 7261091, 23491765, 36305455, 79872001, 399360005]

約数ペア:

[(1, 399360005), (5, 79872001), (11, 36305455), (17, 23491765), (55, 7261091), (73, 5470685), (85, 4698353), (187, 2135615), (365, 1094137), (803, 497335), (935, 427123), (1241, 321805), (4015, 99467), (5851, 68255), (6205, 64361), (13651, 29255)]