82978225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15881}}^1$

素因数の和:15921

約数の個数: 24

約数和(自身を含む): 118162080

約数和(自身を除く): 35183855

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 15881, 79405, 174691, 301739, 397025, 873455, 1508695, 3319129, 4367275, 7543475, 16595645, 82978225]

約数ペア:

[(1, 82978225), (5, 16595645), (11, 7543475), (19, 4367275), (25, 3319129), (55, 1508695), (95, 873455), (209, 397025), (275, 301739), (475, 174691), (1045, 79405), (5225, 15881)]