81247792

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{175103}}^1$

素因数の和:175140

約数の個数: 20

約数和(自身を含む): 162846720

約数和(自身を除く): 81598928

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 175103, 350206, 700412, 1400824, 2801648, 5077987, 10155974, 20311948, 40623896, 81247792]

約数ペア:

[(1, 81247792), (2, 40623896), (4, 20311948), (8, 10155974), (16, 5077987), (29, 2801648), (58, 1400824), (116, 700412), (232, 350206), (464, 175103)]