644268632

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{68891}}^1$

素因数の和:69071

約数の個数: 32

約数和(自身を含む): 1388862720

約数和(自身を除く): 744594088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 9352, 68891, 137782, 275564, 482237, 551128, 964474, 1928948, 3857896, 11504797, 23009594, 46019188, 80533579, 92038376, 161067158, 322134316, 644268632]

約数ペア:

[(1, 644268632), (2, 322134316), (4, 161067158), (7, 92038376), (8, 80533579), (14, 46019188), (28, 23009594), (56, 11504797), (167, 3857896), (334, 1928948), (668, 964474), (1169, 551128), (1336, 482237), (2338, 275564), (4676, 137782), (9352, 68891)]