1991342290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2099}}^1\times {\mathrm{13553}}^1$

素因数の和:15666

約数の個数: 32

約数和(自身を含む): 4098729600

約数和(自身を除く): 2107387310

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2099, 4198, 10495, 13553, 14693, 20990, 27106, 29386, 67765, 73465, 94871, 135530, 146930, 189742, 474355, 948710, 28447747, 56895494, 142238735, 199134229, 284477470, 398268458, 995671145, 1991342290]

約数ペア:

[(1, 1991342290), (2, 995671145), (5, 398268458), (7, 284477470), (10, 199134229), (14, 142238735), (35, 56895494), (70, 28447747), (2099, 948710), (4198, 474355), (10495, 189742), (13553, 146930), (14693, 135530), (20990, 94871), (27106, 73465), (29386, 67765)]