80913854

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 141696000

約数和(自身を除く): 60782146

約数列:

[1, 2, 7, 14, 79, 149, 158, 298, 491, 553, 982, 1043, 1106, 2086, 3437, 6874, 11771, 23542, 38789, 73159, 77578, 82397, 146318, 164794, 271523, 512113, 543046, 1024226, 5779561, 11559122, 40456927, 80913854]

約数ペア:

[(1, 80913854), (2, 40456927), (7, 11559122), (14, 5779561), (79, 1024226), (149, 543046), (158, 512113), (298, 271523), (491, 164794), (553, 146318), (982, 82397), (1043, 77578), (1106, 73159), (2086, 38789), (3437, 23542), (6874, 11771)]