161489968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3259}}^1$

素因数の和:3449

約数の個数: 40

約数和(自身を含む): 331476800

約数和(自身を除く): 169986832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 652, 1304, 2608, 3097, 3259, 6194, 6518, 12388, 13036, 24776, 26072, 49552, 52144, 61921, 123842, 247684, 495368, 531217, 990736, 1062434, 2124868, 4249736, 8499472, 10093123, 20186246, 40372492, 80744984, 161489968]

約数ペア:

[(1, 161489968), (2, 80744984), (4, 40372492), (8, 20186246), (16, 10093123), (19, 8499472), (38, 4249736), (76, 2124868), (152, 1062434), (163, 990736), (304, 531217), (326, 495368), (652, 247684), (1304, 123842), (2608, 61921), (3097, 52144), (3259, 49552), (6194, 26072), (6518, 24776), (12388, 13036)]