221323495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 288100800

約数和(自身を除く): 66777305

約数列:

[1, 5, 19, 53, 95, 113, 265, 389, 565, 1007, 1945, 2147, 5035, 5989, 7391, 10735, 20617, 29945, 36955, 43957, 103085, 113791, 219785, 391723, 568955, 835183, 1958615, 2329721, 4175915, 11648605, 44264699, 221323495]

約数ペア:

[(1, 221323495), (5, 44264699), (19, 11648605), (53, 4175915), (95, 2329721), (113, 1958615), (265, 835183), (389, 568955), (565, 391723), (1007, 219785), (1945, 113791), (2147, 103085), (5035, 43957), (5989, 36955), (7391, 29945), (10735, 20617)]