399759366

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{18451}}^1$

素因数の和:18636

約数の個数: 32

約数和(自身を含む): 839639808

約数和(自身を除く): 439880442

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 942, 3611, 7222, 10833, 18451, 21666, 36902, 55353, 110706, 424373, 848746, 1273119, 2546238, 2896807, 5793614, 8690421, 17380842, 66626561, 133253122, 199879683, 399759366]

約数ペア:

[(1, 399759366), (2, 199879683), (3, 133253122), (6, 66626561), (23, 17380842), (46, 8690421), (69, 5793614), (138, 2896807), (157, 2546238), (314, 1273119), (471, 848746), (942, 424373), (3611, 110706), (7222, 55353), (10833, 36902), (18451, 21666)]