1638647530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{141629}}^1$

素因数の和:141738

約数の個数: 32

約数和(自身を含む): 3212168400

約数和(自身を除く): 1573520870

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 141629, 283258, 708145, 1416290, 1841177, 3682354, 9205885, 12604981, 18411770, 25209962, 63024905, 126049810, 163864753, 327729506, 819323765, 1638647530]

約数ペア:

[(1, 1638647530), (2, 819323765), (5, 327729506), (10, 163864753), (13, 126049810), (26, 63024905), (65, 25209962), (89, 18411770), (130, 12604981), (178, 9205885), (445, 3682354), (890, 1841177), (1157, 1416290), (2314, 708145), (5785, 283258), (11570, 141629)]