28834390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1619}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 56337120

約数和(自身を除く): 27502730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1619, 1781, 3238, 3562, 8095, 8905, 16190, 17810, 21047, 42094, 105235, 210470, 221803, 443606, 1109015, 2218030, 2883439, 5766878, 14417195, 28834390]

約数ペア:

[(1, 28834390), (2, 14417195), (5, 5766878), (10, 2883439), (13, 2218030), (26, 1109015), (65, 443606), (130, 221803), (137, 210470), (274, 105235), (685, 42094), (1370, 21047), (1619, 17810), (1781, 16190), (3238, 8905), (3562, 8095)]