64395890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{1307}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 125254080

約数和(自身を除く): 60858190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 758, 1307, 1895, 2614, 3790, 4927, 6535, 9854, 13070, 16991, 24635, 33982, 49270, 84955, 169910, 495353, 990706, 2476765, 4953530, 6439589, 12879178, 32197945, 64395890]

約数ペア:

[(1, 64395890), (2, 32197945), (5, 12879178), (10, 6439589), (13, 4953530), (26, 2476765), (65, 990706), (130, 495353), (379, 169910), (758, 84955), (1307, 49270), (1895, 33982), (2614, 24635), (3790, 16991), (4927, 13070), (6535, 9854)]