31142178

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 73728000

約数和(自身を除く): 42585822

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 127, 171, 239, 254, 342, 381, 478, 513, 717, 762, 1026, 1143, 1434, 2151, 2286, 2413, 3429, 4302, 4541, 4826, 6453, 6858, 7239, 9082, 12906, 13623, 14478, 21717, 27246, 30353, 40869, 43434, 60706, 65151, 81738, 91059, 122607, 130302, 182118, 245214, 273177, 546354, 576707, 819531, 1153414, 1639062, 1730121, 3460242, 5190363, 10380726, 15571089, 31142178]

約数ペア:

[(1, 31142178), (2, 15571089), (3, 10380726), (6, 5190363), (9, 3460242), (18, 1730121), (19, 1639062), (27, 1153414), (38, 819531), (54, 576707), (57, 546354), (114, 273177), (127, 245214), (171, 182118), (239, 130302), (254, 122607), (342, 91059), (381, 81738), (478, 65151), (513, 60706), (717, 43434), (762, 40869), (1026, 30353), (1143, 27246), (1434, 21717), (2151, 14478), (2286, 13623), (2413, 12906), (3429, 9082), (4302, 7239), (4541, 6858), (4826, 6453)]