31249604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 62032320

約数和(自身を除く): 30782716

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 268, 323, 361, 646, 722, 1139, 1273, 1292, 1444, 2278, 2546, 4556, 5092, 6137, 6859, 12274, 13718, 21641, 24187, 24548, 27436, 43282, 48374, 86564, 96748, 116603, 233206, 411179, 459553, 466412, 822358, 919106, 1644716, 1838212, 7812401, 15624802, 31249604]

約数ペア:

[(1, 31249604), (2, 15624802), (4, 7812401), (17, 1838212), (19, 1644716), (34, 919106), (38, 822358), (67, 466412), (68, 459553), (76, 411179), (134, 233206), (268, 116603), (323, 96748), (361, 86564), (646, 48374), (722, 43282), (1139, 27436), (1273, 24548), (1292, 24187), (1444, 21641), (2278, 13718), (2546, 12274), (4556, 6859), (5092, 6137)]