163976407

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 208825344

約数和(自身を除く): 44848937

約数列:

[1, 7, 17, 23, 119, 161, 181, 331, 391, 1267, 2317, 2737, 3077, 4163, 5627, 7613, 21539, 29141, 39389, 53291, 59911, 70771, 129421, 419377, 495397, 905947, 1018487, 1377953, 7129409, 9645671, 23425201, 163976407]

約数ペア:

[(1, 163976407), (7, 23425201), (17, 9645671), (23, 7129409), (119, 1377953), (161, 1018487), (181, 905947), (331, 495397), (391, 419377), (1267, 129421), (2317, 70771), (2737, 59911), (3077, 53291), (4163, 39389), (5627, 29141), (7613, 21539)]