81491368

素因数分解:

$2^3\times 7^1\times {\mathrm{1455203}}^1$

素因数の和:1455216

約数の個数: 16

約数和(自身を含む): 174624480

約数和(自身を除く): 93133112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1455203, 2910406, 5820812, 10186421, 11641624, 20372842, 40745684, 81491368]

約数ペア:

[(1, 81491368), (2, 40745684), (4, 20372842), (7, 11641624), (8, 10186421), (14, 5820812), (28, 2910406), (56, 1455203)]