643940208

素因数分解:

$2^4\times 3^2\times {\mathrm{1663}}^1\times {\mathrm{2689}}^1$

素因数の和:4366

約数の個数: 60

約数和(自身を含む): 1803892480

約数和(自身を除く): 1159952272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1663, 2689, 3326, 4989, 5378, 6652, 8067, 9978, 10756, 13304, 14967, 16134, 19956, 21512, 24201, 26608, 29934, 32268, 39912, 43024, 48402, 59868, 64536, 79824, 96804, 119736, 129072, 193608, 239472, 387216, 4471807, 8943614, 13415421, 17887228, 26830842, 35774456, 40246263, 53661684, 71548912, 80492526, 107323368, 160985052, 214646736, 321970104, 643940208]

約数ペア:

[(1, 643940208), (2, 321970104), (3, 214646736), (4, 160985052), (6, 107323368), (8, 80492526), (9, 71548912), (12, 53661684), (16, 40246263), (18, 35774456), (24, 26830842), (36, 17887228), (48, 13415421), (72, 8943614), (144, 4471807), (1663, 387216), (2689, 239472), (3326, 193608), (4989, 129072), (5378, 119736), (6652, 96804), (8067, 79824), (9978, 64536), (10756, 59868), (13304, 48402), (14967, 43024), (16134, 39912), (19956, 32268), (21512, 29934), (24201, 26608)]