81403848

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30557}}^1$

素因数の和:30606

約数の個数: 48

約数和(自身を含む): 226434780

約数和(自身を除く): 145030932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 30557, 61114, 91671, 122228, 183342, 244456, 275013, 366684, 550026, 733368, 1100052, 1130609, 2200104, 2261218, 3391827, 4522436, 6783654, 9044872, 10175481, 13567308, 20350962, 27134616, 40701924, 81403848]

約数ペア:

[(1, 81403848), (2, 40701924), (3, 27134616), (4, 20350962), (6, 13567308), (8, 10175481), (9, 9044872), (12, 6783654), (18, 4522436), (24, 3391827), (36, 2261218), (37, 2200104), (72, 1130609), (74, 1100052), (111, 733368), (148, 550026), (222, 366684), (296, 275013), (333, 244456), (444, 183342), (666, 122228), (888, 91671), (1332, 61114), (2664, 30557)]