253996886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21661}}^1$

素因数の和:21728

約数の個数: 32

約数和(自身を含む): 458541216

約数和(自身を除く): 204544330

約数列:

[1, 2, 11, 13, 22, 26, 41, 82, 143, 286, 451, 533, 902, 1066, 5863, 11726, 21661, 43322, 238271, 281593, 476542, 563186, 888101, 1776202, 3097523, 6195046, 9769111, 11545313, 19538222, 23090626, 126998443, 253996886]

約数ペア:

[(1, 253996886), (2, 126998443), (11, 23090626), (13, 19538222), (22, 11545313), (26, 9769111), (41, 6195046), (82, 3097523), (143, 1776202), (286, 888101), (451, 563186), (533, 476542), (902, 281593), (1066, 238271), (5863, 43322), (11726, 21661)]