81205004

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{1543}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 145259520

約数和(自身を除く): 64054516

約数列:

[1, 2, 4, 59, 118, 223, 236, 446, 892, 1543, 3086, 6172, 13157, 26314, 52628, 91037, 182074, 344089, 364148, 688178, 1376356, 20301251, 40602502, 81205004]

約数ペア:

[(1, 81205004), (2, 40602502), (4, 20301251), (59, 1376356), (118, 688178), (223, 364148), (236, 344089), (446, 182074), (892, 91037), (1543, 52628), (3086, 26314), (6172, 13157)]