220815815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5711}}^1$

素因数の和:5783

約数の個数: 32

約数和(自身を含む): 312560640

約数和(自身を除く): 91744825

約数列:

[1, 5, 11, 19, 37, 55, 95, 185, 209, 407, 703, 1045, 2035, 3515, 5711, 7733, 28555, 38665, 62821, 108509, 211307, 314105, 542545, 1056535, 1193599, 2324377, 4014833, 5967995, 11621885, 20074165, 44163163, 220815815]

約数ペア:

[(1, 220815815), (5, 44163163), (11, 20074165), (19, 11621885), (37, 5967995), (55, 4014833), (95, 2324377), (185, 1193599), (209, 1056535), (407, 542545), (703, 314105), (1045, 211307), (2035, 108509), (3515, 62821), (5711, 38665), (7733, 28555)]