40978312

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 79279200

約数和(自身を除く): 38300888

約数列:

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

約数ペア:

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