161718614

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{5209}}^1$

素因数の和:5292

約数の個数: 24

約数和(自身を含む): 262021320

約数和(自身を除く): 100302706

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1634, 5209, 10418, 15523, 31046, 98971, 197942, 223987, 447974, 1880449, 3760898, 4255753, 8511506, 80859307, 161718614]

約数ペア:

[(1, 161718614), (2, 80859307), (19, 8511506), (38, 4255753), (43, 3760898), (86, 1880449), (361, 447974), (722, 223987), (817, 197942), (1634, 98971), (5209, 31046), (10418, 15523)]