72972978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21757}}^1$

素因数の和:21818

約数の個数: 32

約数和(自身を含む): 160835136

約数和(自身を除く): 87862158

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 21757, 43514, 65271, 130542, 282841, 565682, 848523, 935551, 1697046, 1871102, 2806653, 5613306, 12162163, 24324326, 36486489, 72972978]

約数ペア:

[(1, 72972978), (2, 36486489), (3, 24324326), (6, 12162163), (13, 5613306), (26, 2806653), (39, 1871102), (43, 1697046), (78, 935551), (86, 848523), (129, 565682), (258, 282841), (559, 130542), (1118, 65271), (1677, 43514), (3354, 21757)]