220195784

素因数分解:

$2^3\times {\mathrm{173}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 417339000

約数和(自身を除く): 197143216

約数列:

[1, 2, 4, 8, 173, 346, 389, 409, 692, 778, 818, 1384, 1556, 1636, 3112, 3272, 67297, 70757, 134594, 141514, 159101, 269188, 283028, 318202, 538376, 566056, 636404, 1272808, 27524473, 55048946, 110097892, 220195784]

約数ペア:

[(1, 220195784), (2, 110097892), (4, 55048946), (8, 27524473), (173, 1272808), (346, 636404), (389, 566056), (409, 538376), (692, 318202), (778, 283028), (818, 269188), (1384, 159101), (1556, 141514), (1636, 134594), (3112, 70757), (3272, 67297)]