71642864

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{50311}}^1$

素因数の和:50408

約数の個数: 20

約数和(自身を含む): 140370480

約数和(自身を除く): 68727616

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 50311, 100622, 201244, 402488, 804976, 4477679, 8955358, 17910716, 35821432, 71642864]

約数ペア:

[(1, 71642864), (2, 35821432), (4, 17910716), (8, 8955358), (16, 4477679), (89, 804976), (178, 402488), (356, 201244), (712, 100622), (1424, 50311)]