31639142

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 55112640

約数和(自身を除く): 23473498

約数列:

[1, 2, 17, 19, 34, 38, 43, 67, 86, 134, 289, 323, 578, 646, 731, 817, 1139, 1273, 1462, 1634, 2278, 2546, 2881, 5491, 5762, 10982, 12427, 13889, 19363, 21641, 24854, 27778, 38726, 43282, 48977, 54739, 97954, 109478, 236113, 367897, 472226, 735794, 832609, 930563, 1665218, 1861126, 15819571, 31639142]

約数ペア:

[(1, 31639142), (2, 15819571), (17, 1861126), (19, 1665218), (34, 930563), (38, 832609), (43, 735794), (67, 472226), (86, 367897), (134, 236113), (289, 109478), (323, 97954), (578, 54739), (646, 48977), (731, 43282), (817, 38726), (1139, 27778), (1273, 24854), (1462, 21641), (1634, 19363), (2278, 13889), (2546, 12427), (2881, 10982), (5491, 5762)]