161513870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121439}}^1$

素因数の和:121472

約数の個数: 32

約数和(自身を含む): 349747200

約数和(自身を除く): 188233330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 121439, 242878, 607195, 850073, 1214390, 1700146, 2307341, 4250365, 4614682, 8500730, 11536705, 16151387, 23073410, 32302774, 80756935, 161513870]

約数ペア:

[(1, 161513870), (2, 80756935), (5, 32302774), (7, 23073410), (10, 16151387), (14, 11536705), (19, 8500730), (35, 4614682), (38, 4250365), (70, 2307341), (95, 1700146), (133, 1214390), (190, 850073), (266, 607195), (665, 242878), (1330, 121439)]