2658890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 5228496

約数和(自身を除く): 2569606

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 181, 226, 362, 565, 905, 1130, 1469, 1810, 2353, 2938, 4706, 7345, 11765, 14690, 20453, 23530, 40906, 102265, 204530, 265889, 531778, 1329445, 2658890]

約数ペア:

[(1, 2658890), (2, 1329445), (5, 531778), (10, 265889), (13, 204530), (26, 102265), (65, 40906), (113, 23530), (130, 20453), (181, 14690), (226, 11765), (362, 7345), (565, 4706), (905, 2938), (1130, 2353), (1469, 1810)]