664984790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{37591}}^1$

素因数の和:37688

約数の個数: 32

約数和(自身を含む): 1258580160

約数和(自身を除く): 593595370

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 17690, 37591, 75182, 187955, 375910, 1090139, 2180278, 2293051, 4586102, 5450695, 10901390, 11465255, 22930510, 66498479, 132996958, 332492395, 664984790]

約数ペア:

[(1, 664984790), (2, 332492395), (5, 132996958), (10, 66498479), (29, 22930510), (58, 11465255), (61, 10901390), (122, 5450695), (145, 4586102), (290, 2293051), (305, 2180278), (610, 1090139), (1769, 375910), (3538, 187955), (8845, 75182), (17690, 37591)]