64478590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30851}}^1$

素因数の和:30888

約数の個数: 32

約数和(自身を含む): 133280640

約数和(自身を除く): 68802050

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 30851, 61702, 154255, 308510, 339361, 586169, 678722, 1172338, 1696805, 2930845, 3393610, 5861690, 6447859, 12895718, 32239295, 64478590]

約数ペア:

[(1, 64478590), (2, 32239295), (5, 12895718), (10, 6447859), (11, 5861690), (19, 3393610), (22, 2930845), (38, 1696805), (55, 1172338), (95, 678722), (110, 586169), (190, 339361), (209, 308510), (418, 154255), (1045, 61702), (2090, 30851)]