645805894

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1\times {\mathrm{467}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 1041711840

約数和(自身を除く): 395905946

約数列:

[1, 2, 17, 34, 89, 178, 457, 467, 914, 934, 1513, 3026, 7769, 7939, 15538, 15878, 40673, 41563, 81346, 83126, 213419, 426838, 691441, 706571, 1382882, 1413142, 3628123, 7256246, 18994291, 37988582, 322902947, 645805894]

約数ペア:

[(1, 645805894), (2, 322902947), (17, 37988582), (34, 18994291), (89, 7256246), (178, 3628123), (457, 1413142), (467, 1382882), (914, 706571), (934, 691441), (1513, 426838), (3026, 213419), (7769, 83126), (7939, 81346), (15538, 41563), (15878, 40673)]