640485438

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{17491}}^1$

素因数の和:17872

約数の個数: 32

約数和(自身を含む): 1360177920

約数和(自身を除く): 719692482

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 359, 718, 1077, 2154, 6103, 12206, 17491, 18309, 34982, 36618, 52473, 104946, 297347, 594694, 892041, 1784082, 6279269, 12558538, 18837807, 37675614, 106747573, 213495146, 320242719, 640485438]

約数ペア:

[(1, 640485438), (2, 320242719), (3, 213495146), (6, 106747573), (17, 37675614), (34, 18837807), (51, 12558538), (102, 6279269), (359, 1784082), (718, 892041), (1077, 594694), (2154, 297347), (6103, 104946), (12206, 52473), (17491, 36618), (18309, 34982)]