123741215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 170989056

約数和(自身を除く): 47247841

約数列:

[1, 5, 13, 17, 65, 85, 113, 221, 565, 991, 1105, 1469, 1921, 4955, 7345, 9605, 12883, 16847, 24973, 64415, 84235, 111983, 124865, 219011, 559915, 1095055, 1455779, 1903711, 7278895, 9518555, 24748243, 123741215]

約数ペア:

[(1, 123741215), (5, 24748243), (13, 9518555), (17, 7278895), (65, 1903711), (85, 1455779), (113, 1095055), (221, 559915), (565, 219011), (991, 124865), (1105, 111983), (1469, 84235), (1921, 64415), (4955, 24973), (7345, 16847), (9605, 12883)]