1640554488

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{990673}}^1$

素因数の和:990708

約数の個数: 48

約数和(自身を含む): 4636354320

約数和(自身を除く): 2995799832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 990673, 1981346, 2972019, 3962692, 5944038, 7925384, 8916057, 11888076, 17832114, 22785479, 23776152, 35664228, 45570958, 68356437, 71328456, 91141916, 136712874, 182283832, 205069311, 273425748, 410138622, 546851496, 820277244, 1640554488]

約数ペア:

[(1, 1640554488), (2, 820277244), (3, 546851496), (4, 410138622), (6, 273425748), (8, 205069311), (9, 182283832), (12, 136712874), (18, 91141916), (23, 71328456), (24, 68356437), (36, 45570958), (46, 35664228), (69, 23776152), (72, 22785479), (92, 17832114), (138, 11888076), (184, 8916057), (207, 7925384), (276, 5944038), (414, 3962692), (552, 2972019), (828, 1981346), (1656, 990673)]