1393401890

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{358201}}^1$

素因数の和:358597

約数の個数: 16

約数和(自身を含む): 2514578040

約数和(自身を除く): 1121176150

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 358201, 716402, 1791005, 3582010, 139340189, 278680378, 696700945, 1393401890]

約数ペア:

[(1, 1393401890), (2, 696700945), (5, 278680378), (10, 139340189), (389, 3582010), (778, 1791005), (1945, 716402), (3890, 358201)]