1331193784

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{17791}}^1$

素因数の和:18043

約数の個数: 32

約数和(自身を含む): 2562048000

約数和(自身を除く): 1230854216

約数列:

[1, 2, 4, 8, 47, 94, 188, 199, 376, 398, 796, 1592, 9353, 17791, 18706, 35582, 37412, 71164, 74824, 142328, 836177, 1672354, 3344708, 3540409, 6689416, 7080818, 14161636, 28323272, 166399223, 332798446, 665596892, 1331193784]

約数ペア:

[(1, 1331193784), (2, 665596892), (4, 332798446), (8, 166399223), (47, 28323272), (94, 14161636), (188, 7080818), (199, 6689416), (376, 3540409), (398, 3344708), (796, 1672354), (1592, 836177), (9353, 142328), (17791, 74824), (18706, 71164), (35582, 37412)]