31412888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 66679200

約数和(自身を除く): 35266312

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 53, 82, 104, 106, 139, 164, 212, 278, 328, 424, 533, 556, 689, 1066, 1112, 1378, 1807, 2132, 2173, 2756, 3614, 4264, 4346, 5512, 5699, 7228, 7367, 8692, 11398, 14456, 14734, 17384, 22796, 28249, 29468, 45592, 56498, 58936, 74087, 95771, 112996, 148174, 191542, 225992, 296348, 302047, 383084, 592696, 604094, 766168, 1208188, 2416376, 3926611, 7853222, 15706444, 31412888]

約数ペア:

[(1, 31412888), (2, 15706444), (4, 7853222), (8, 3926611), (13, 2416376), (26, 1208188), (41, 766168), (52, 604094), (53, 592696), (82, 383084), (104, 302047), (106, 296348), (139, 225992), (164, 191542), (212, 148174), (278, 112996), (328, 95771), (424, 74087), (533, 58936), (556, 56498), (689, 45592), (1066, 29468), (1112, 28249), (1378, 22796), (1807, 17384), (2132, 14734), (2173, 14456), (2756, 11398), (3614, 8692), (4264, 7367), (4346, 7228), (5512, 5699)]