81689854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 134369280

約数和(自身を除く): 52679426

約数列:

[1, 2, 19, 38, 47, 53, 94, 106, 863, 893, 1007, 1726, 1786, 2014, 2491, 4982, 16397, 32794, 40561, 45739, 47329, 81122, 91478, 94658, 770659, 869041, 1541318, 1738082, 2149733, 4299466, 40844927, 81689854]

約数ペア:

[(1, 81689854), (2, 40844927), (19, 4299466), (38, 2149733), (47, 1738082), (53, 1541318), (94, 869041), (106, 770659), (863, 94658), (893, 91478), (1007, 81122), (1726, 47329), (1786, 45739), (2014, 40561), (2491, 32794), (4982, 16397)]