72578086

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 126720000

約数和(自身を除く): 54141914

約数列:

[1, 2, 7, 14, 109, 199, 218, 239, 398, 478, 763, 1393, 1526, 1673, 2786, 3346, 21691, 26051, 43382, 47561, 52102, 95122, 151837, 182357, 303674, 332927, 364714, 665854, 5184149, 10368298, 36289043, 72578086]

約数ペア:

[(1, 72578086), (2, 36289043), (7, 10368298), (14, 5184149), (109, 665854), (199, 364714), (218, 332927), (239, 303674), (398, 182357), (478, 151837), (763, 95122), (1393, 52102), (1526, 47561), (1673, 43382), (2786, 26051), (3346, 21691)]