1639231930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{129379}}^1$

素因数の和:129574

約数の個数: 32

約数和(自身を含む): 3390791040

約数和(自身を除く): 1751559110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1810, 2534, 6335, 12670, 129379, 258758, 646895, 905653, 1293790, 1811306, 4528265, 9056530, 23417599, 46835198, 117087995, 163923193, 234175990, 327846386, 819615965, 1639231930]

約数ペア:

[(1, 1639231930), (2, 819615965), (5, 327846386), (7, 234175990), (10, 163923193), (14, 117087995), (35, 46835198), (70, 23417599), (181, 9056530), (362, 4528265), (905, 1811306), (1267, 1293790), (1810, 905653), (2534, 646895), (6335, 258758), (12670, 129379)]