81956624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 163843680

約数和(自身を除く): 81887056

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 556, 688, 857, 1112, 1714, 2224, 3428, 5977, 6856, 11954, 13712, 23908, 36851, 47816, 73702, 95632, 119123, 147404, 238246, 294808, 476492, 589616, 952984, 1905968, 5122289, 10244578, 20489156, 40978312, 81956624]

約数ペア:

[(1, 81956624), (2, 40978312), (4, 20489156), (8, 10244578), (16, 5122289), (43, 1905968), (86, 952984), (139, 589616), (172, 476492), (278, 294808), (344, 238246), (556, 147404), (688, 119123), (857, 95632), (1112, 73702), (1714, 47816), (2224, 36851), (3428, 23908), (5977, 13712), (6856, 11954)]