28215016

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 54720000

約数和(自身を除く): 26504984

約数列:

[1, 2, 4, 8, 37, 74, 148, 199, 296, 398, 479, 796, 958, 1592, 1916, 3832, 7363, 14726, 17723, 29452, 35446, 58904, 70892, 95321, 141784, 190642, 381284, 762568, 3526877, 7053754, 14107508, 28215016]

約数ペア:

[(1, 28215016), (2, 14107508), (4, 7053754), (8, 3526877), (37, 762568), (74, 381284), (148, 190642), (199, 141784), (296, 95321), (398, 70892), (479, 58904), (796, 35446), (958, 29452), (1592, 17723), (1916, 14726), (3832, 7363)]