54778165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 75932640

約数和(自身を除く): 21154475

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 557, 1105, 1157, 1513, 2785, 5785, 7241, 7565, 9469, 19669, 36205, 47345, 49573, 98345, 123097, 247865, 615485, 644449, 842741, 3222245, 4213705, 10955633, 54778165]

約数ペア:

[(1, 54778165), (5, 10955633), (13, 4213705), (17, 3222245), (65, 842741), (85, 644449), (89, 615485), (221, 247865), (445, 123097), (557, 98345), (1105, 49573), (1157, 47345), (1513, 36205), (2785, 19669), (5785, 9469), (7241, 7565)]