644649170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{13229}}^1$

素因数の和:13690

約数の個数: 32

約数和(自身を含む): 1268809920

約数和(自身を除く): 624160750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 443, 886, 2215, 4430, 4873, 9746, 13229, 24365, 26458, 48730, 66145, 132290, 145519, 291038, 727595, 1455190, 5860447, 11720894, 29302235, 58604470, 64464917, 128929834, 322324585, 644649170]

約数ペア:

[(1, 644649170), (2, 322324585), (5, 128929834), (10, 64464917), (11, 58604470), (22, 29302235), (55, 11720894), (110, 5860447), (443, 1455190), (886, 727595), (2215, 291038), (4430, 145519), (4873, 132290), (9746, 66145), (13229, 48730), (24365, 26458)]