138042625

素因数分解:

$5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 199480320

約数和(自身を除く): 61437695

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 395, 553, 875, 1975, 1997, 2765, 9875, 9985, 13825, 13979, 49925, 69125, 69895, 157763, 249625, 349475, 788815, 1104341, 1747375, 3944075, 5521705, 19720375, 27608525, 138042625]

約数ペア:

[(1, 138042625), (5, 27608525), (7, 19720375), (25, 5521705), (35, 3944075), (79, 1747375), (125, 1104341), (175, 788815), (395, 349475), (553, 249625), (875, 157763), (1975, 69895), (1997, 69125), (2765, 49925), (9875, 13979), (9985, 13825)]