31209328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 62246016

約数和(自身を除く): 31036688

約数列:

[1, 2, 4, 8, 16, 71, 83, 142, 166, 284, 331, 332, 568, 662, 664, 1136, 1324, 1328, 2648, 5296, 5893, 11786, 23501, 23572, 27473, 47002, 47144, 54946, 94004, 94288, 109892, 188008, 219784, 376016, 439568, 1950583, 3901166, 7802332, 15604664, 31209328]

約数ペア:

[(1, 31209328), (2, 15604664), (4, 7802332), (8, 3901166), (16, 1950583), (71, 439568), (83, 376016), (142, 219784), (166, 188008), (284, 109892), (331, 94288), (332, 94004), (568, 54946), (662, 47144), (664, 47002), (1136, 27473), (1324, 23572), (1328, 23501), (2648, 11786), (5296, 5893)]