31259484

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 86835840

約数和(自身を除く): 55576356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 1987, 2622, 3933, 3974, 5244, 5961, 7866, 7948, 11922, 15732, 17883, 23844, 35766, 37753, 45701, 71532, 75506, 91402, 113259, 137103, 151012, 182804, 226518, 274206, 339777, 411309, 453036, 548412, 679554, 822618, 868319, 1359108, 1645236, 1736638, 2604957, 3473276, 5209914, 7814871, 10419828, 15629742, 31259484]

約数ペア:

[(1, 31259484), (2, 15629742), (3, 10419828), (4, 7814871), (6, 5209914), (9, 3473276), (12, 2604957), (18, 1736638), (19, 1645236), (23, 1359108), (36, 868319), (38, 822618), (46, 679554), (57, 548412), (69, 453036), (76, 411309), (92, 339777), (114, 274206), (138, 226518), (171, 182804), (207, 151012), (228, 137103), (276, 113259), (342, 91402), (414, 75506), (437, 71532), (684, 45701), (828, 37753), (874, 35766), (1311, 23844), (1748, 17883), (1987, 15732), (2622, 11922), (3933, 7948), (3974, 7866), (5244, 5961)]