64614872

素因数分解:

$2^3\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1181}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 138719520

約数和(自身を除く): 74104648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 977, 1181, 1954, 2362, 3908, 4724, 6839, 7816, 8267, 9448, 13678, 16534, 27356, 33068, 54712, 66136, 1153837, 2307674, 4615348, 8076859, 9230696, 16153718, 32307436, 64614872]

約数ペア:

[(1, 64614872), (2, 32307436), (4, 16153718), (7, 9230696), (8, 8076859), (14, 4615348), (28, 2307674), (56, 1153837), (977, 66136), (1181, 54712), (1954, 33068), (2362, 27356), (3908, 16534), (4724, 13678), (6839, 9448), (7816, 8267)]