128967524

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 270708480

約数和(自身を除く): 141740956

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 406, 497, 812, 994, 1988, 2059, 2237, 4118, 4474, 8236, 8948, 14413, 15659, 28826, 31318, 57652, 62636, 64873, 129746, 158827, 259492, 317654, 454111, 635308, 908222, 1111789, 1816444, 2223578, 4447156, 4605983, 9211966, 18423932, 32241881, 64483762, 128967524]

約数ペア:

[(1, 128967524), (2, 64483762), (4, 32241881), (7, 18423932), (14, 9211966), (28, 4605983), (29, 4447156), (58, 2223578), (71, 1816444), (116, 1111789), (142, 908222), (203, 635308), (284, 454111), (406, 317654), (497, 259492), (812, 158827), (994, 129746), (1988, 64873), (2059, 62636), (2237, 57652), (4118, 31318), (4474, 28826), (8236, 15659), (8948, 14413)]