31999352

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 78427440

約数和(自身を除く): 46428088

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 49, 56, 77, 82, 88, 98, 154, 164, 181, 196, 287, 308, 328, 362, 392, 451, 539, 574, 616, 724, 902, 1078, 1148, 1267, 1448, 1804, 1991, 2009, 2156, 2296, 2534, 3157, 3608, 3982, 4018, 4312, 5068, 6314, 7421, 7964, 8036, 8869, 10136, 12628, 13937, 14842, 15928, 16072, 17738, 22099, 25256, 27874, 29684, 35476, 44198, 51947, 55748, 59368, 70952, 81631, 88396, 97559, 103894, 111496, 163262, 176792, 195118, 207788, 326524, 363629, 390236, 415576, 571417, 653048, 727258, 780472, 1142834, 1454516, 2285668, 2909032, 3999919, 4571336, 7999838, 15999676, 31999352]

約数ペア:

[(1, 31999352), (2, 15999676), (4, 7999838), (7, 4571336), (8, 3999919), (11, 2909032), (14, 2285668), (22, 1454516), (28, 1142834), (41, 780472), (44, 727258), (49, 653048), (56, 571417), (77, 415576), (82, 390236), (88, 363629), (98, 326524), (154, 207788), (164, 195118), (181, 176792), (196, 163262), (287, 111496), (308, 103894), (328, 97559), (362, 88396), (392, 81631), (451, 70952), (539, 59368), (574, 55748), (616, 51947), (724, 44198), (902, 35476), (1078, 29684), (1148, 27874), (1267, 25256), (1448, 22099), (1804, 17738), (1991, 16072), (2009, 15928), (2156, 14842), (2296, 13937), (2534, 12628), (3157, 10136), (3608, 8869), (3982, 8036), (4018, 7964), (4312, 7421), (5068, 6314)]