644296104

素因数分解:

$2^3\times 3^2\times {\mathrm{1997}}^1\times {\mathrm{4481}}^1$

素因数の和:6490

約数の個数: 48

約数和(自身を含む): 1746232020

約数和(自身を除く): 1101935916

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1997, 3994, 4481, 5991, 7988, 8962, 11982, 13443, 15976, 17924, 17973, 23964, 26886, 35848, 35946, 40329, 47928, 53772, 71892, 80658, 107544, 143784, 161316, 322632, 8948557, 17897114, 26845671, 35794228, 53691342, 71588456, 80537013, 107382684, 161074026, 214765368, 322148052, 644296104]

約数ペア:

[(1, 644296104), (2, 322148052), (3, 214765368), (4, 161074026), (6, 107382684), (8, 80537013), (9, 71588456), (12, 53691342), (18, 35794228), (24, 26845671), (36, 17897114), (72, 8948557), (1997, 322632), (3994, 161316), (4481, 143784), (5991, 107544), (7988, 80658), (8962, 71892), (11982, 53772), (13443, 47928), (15976, 40329), (17924, 35946), (17973, 35848), (23964, 26886)]