31271808

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 89303040

約数和(自身を除く): 58031232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 48, 62, 64, 71, 74, 93, 96, 111, 124, 128, 142, 148, 186, 192, 213, 222, 248, 284, 296, 372, 384, 426, 444, 496, 568, 592, 744, 852, 888, 992, 1136, 1147, 1184, 1488, 1704, 1776, 1984, 2201, 2272, 2294, 2368, 2627, 2976, 3408, 3441, 3552, 3968, 4402, 4544, 4588, 4736, 5254, 5952, 6603, 6816, 6882, 7104, 7881, 8804, 9088, 9176, 10508, 11904, 13206, 13632, 13764, 14208, 15762, 17608, 18352, 21016, 26412, 27264, 27528, 31524, 35216, 36704, 42032, 52824, 55056, 63048, 70432, 73408, 81437, 84064, 105648, 110112, 126096, 140864, 146816, 162874, 168128, 211296, 220224, 244311, 252192, 281728, 325748, 336256, 422592, 440448, 488622, 504384, 651496, 845184, 977244, 1008768, 1302992, 1954488, 2605984, 3908976, 5211968, 7817952, 10423936, 15635904, 31271808]

約数ペア:

[(1, 31271808), (2, 15635904), (3, 10423936), (4, 7817952), (6, 5211968), (8, 3908976), (12, 2605984), (16, 1954488), (24, 1302992), (31, 1008768), (32, 977244), (37, 845184), (48, 651496), (62, 504384), (64, 488622), (71, 440448), (74, 422592), (93, 336256), (96, 325748), (111, 281728), (124, 252192), (128, 244311), (142, 220224), (148, 211296), (186, 168128), (192, 162874), (213, 146816), (222, 140864), (248, 126096), (284, 110112), (296, 105648), (372, 84064), (384, 81437), (426, 73408), (444, 70432), (496, 63048), (568, 55056), (592, 52824), (744, 42032), (852, 36704), (888, 35216), (992, 31524), (1136, 27528), (1147, 27264), (1184, 26412), (1488, 21016), (1704, 18352), (1776, 17608), (1984, 15762), (2201, 14208), (2272, 13764), (2294, 13632), (2368, 13206), (2627, 11904), (2976, 10508), (3408, 9176), (3441, 9088), (3552, 8804), (3968, 7881), (4402, 7104), (4544, 6882), (4588, 6816), (4736, 6603), (5254, 5952)]