219680818

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 398974464

約数和(自身を除く): 179293646

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 167, 217, 334, 433, 434, 866, 1169, 1519, 2338, 3031, 3038, 5177, 6062, 8183, 10354, 13423, 16366, 21217, 26846, 36239, 42434, 72311, 72478, 93961, 144622, 187922, 253673, 506177, 507346, 657727, 1012354, 1315454, 2241641, 3543239, 4483282, 7086478, 15691487, 31382974, 109840409, 219680818]

約数ペア:

[(1, 219680818), (2, 109840409), (7, 31382974), (14, 15691487), (31, 7086478), (49, 4483282), (62, 3543239), (98, 2241641), (167, 1315454), (217, 1012354), (334, 657727), (433, 507346), (434, 506177), (866, 253673), (1169, 187922), (1519, 144622), (2338, 93961), (3031, 72478), (3038, 72311), (5177, 42434), (6062, 36239), (8183, 26846), (10354, 21217), (13423, 16366)]