81074728

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16267}}^1$

素因数の和:16369

約数の個数: 32

約数和(自身を含む): 175694400

約数和(自身を除く): 94619672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 16267, 32534, 65068, 113869, 130136, 227738, 455476, 910952, 1447763, 2895526, 5791052, 10134341, 11582104, 20268682, 40537364, 81074728]

約数ペア:

[(1, 81074728), (2, 40537364), (4, 20268682), (7, 11582104), (8, 10134341), (14, 5791052), (28, 2895526), (56, 1447763), (89, 910952), (178, 455476), (356, 227738), (623, 130136), (712, 113869), (1246, 65068), (2492, 32534), (4984, 16267)]