68939165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 92378880

約数和(自身を除く): 23439715

約数列:

[1, 5, 17, 23, 85, 115, 179, 197, 391, 895, 985, 1955, 3043, 3349, 4117, 4531, 15215, 16745, 20585, 22655, 35263, 69989, 77027, 176315, 349945, 385135, 599471, 811049, 2997355, 4055245, 13787833, 68939165]

約数ペア:

[(1, 68939165), (5, 13787833), (17, 4055245), (23, 2997355), (85, 811049), (115, 599471), (179, 385135), (197, 349945), (391, 176315), (895, 77027), (985, 69989), (1955, 35263), (3043, 22655), (3349, 20585), (4117, 16745), (4531, 15215)]