172968158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 294617088

約数和(自身を除く): 121648930

約数列:

[1, 2, 11, 22, 31, 62, 127, 254, 341, 682, 1397, 1997, 2794, 3937, 3994, 7874, 21967, 43307, 43934, 61907, 86614, 123814, 253619, 507238, 680977, 1361954, 2789809, 5579618, 7862189, 15724378, 86484079, 172968158]

約数ペア:

[(1, 172968158), (2, 86484079), (11, 15724378), (22, 7862189), (31, 5579618), (62, 2789809), (127, 1361954), (254, 680977), (341, 507238), (682, 253619), (1397, 123814), (1997, 86614), (2794, 61907), (3937, 43934), (3994, 43307), (7874, 21967)]