123137285

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 159563520

約数和(自身を除く): 36426235

約数列:

[1, 5, 23, 53, 89, 115, 227, 265, 445, 1135, 1219, 2047, 4717, 5221, 6095, 10235, 12031, 20203, 23585, 26105, 60155, 101015, 108491, 276713, 464669, 542455, 1070759, 1383565, 2323345, 5353795, 24627457, 123137285]

約数ペア:

[(1, 123137285), (5, 24627457), (23, 5353795), (53, 2323345), (89, 1383565), (115, 1070759), (227, 542455), (265, 464669), (445, 276713), (1135, 108491), (1219, 101015), (2047, 60155), (4717, 26105), (5221, 23585), (6095, 20203), (10235, 12031)]