820877854394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{60889}}^1\times {\mathrm{518521}}^1$

素因数の和:579425

約数の個数: 16

約数和(自身を含む): 1326057792360

約数和(自身を除く): 505179937966

約数列:

[1, 2, 13, 26, 60889, 121778, 518521, 791557, 1037042, 1583114, 6740773, 13481546, 31572225169, 63144450338, 410438927197, 820877854394]

約数ペア:

[(1, 820877854394), (2, 410438927197), (13, 63144450338), (26, 31572225169), (60889, 13481546), (121778, 6740773), (518521, 1583114), (791557, 1037042)]