81027676

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 148640184

約数和(自身を除く): 67612508

約数列:

[1, 2, 4, 31, 62, 107, 124, 197, 214, 394, 428, 788, 961, 1922, 3317, 3844, 6107, 6634, 12214, 13268, 21079, 24428, 42158, 84316, 102827, 189317, 205654, 378634, 411308, 653449, 757268, 1306898, 2613796, 20256919, 40513838, 81027676]

約数ペア:

[(1, 81027676), (2, 40513838), (4, 20256919), (31, 2613796), (62, 1306898), (107, 757268), (124, 653449), (197, 411308), (214, 378634), (394, 205654), (428, 189317), (788, 102827), (961, 84316), (1922, 42158), (3317, 24428), (3844, 21079), (6107, 13268), (6634, 12214)]