639840648

素因数分解:

$2^3\times 3^1\times {\mathrm{2357}}^1\times {\mathrm{11311}}^1$

素因数の和:13677

約数の個数: 32

約数和(自身を含む): 1600421760

約数和(自身を除く): 960581112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 2357, 4714, 7071, 9428, 11311, 14142, 18856, 22622, 28284, 33933, 45244, 56568, 67866, 90488, 135732, 271464, 26660027, 53320054, 79980081, 106640108, 159960162, 213280216, 319920324, 639840648]

約数ペア:

[(1, 639840648), (2, 319920324), (3, 213280216), (4, 159960162), (6, 106640108), (8, 79980081), (12, 53320054), (24, 26660027), (2357, 271464), (4714, 135732), (7071, 90488), (9428, 67866), (11311, 56568), (14142, 45244), (18856, 33933), (22622, 28284)]