220180895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 297884736

約数和(自身を除く): 77703841

約数列:

[1, 5, 11, 37, 55, 185, 257, 407, 421, 1285, 2035, 2105, 2827, 4631, 9509, 14135, 15577, 23155, 47545, 77885, 104599, 108197, 171347, 522995, 540985, 856735, 1190167, 4003289, 5950835, 20016445, 44036179, 220180895]

約数ペア:

[(1, 220180895), (5, 44036179), (11, 20016445), (37, 5950835), (55, 4003289), (185, 1190167), (257, 856735), (407, 540985), (421, 522995), (1285, 171347), (2035, 108197), (2105, 104599), (2827, 77885), (4631, 47545), (9509, 23155), (14135, 15577)]