187890913

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 227505600

約数和(自身を除く): 39614687

約数列:

[1, 7, 29, 47, 203, 329, 419, 1363, 2209, 2933, 9541, 12151, 15463, 19693, 64061, 85057, 137851, 448427, 571097, 925571, 3997679, 6478997, 26841559, 187890913]

約数ペア:

[(1, 187890913), (7, 26841559), (29, 6478997), (47, 3997679), (203, 925571), (329, 571097), (419, 448427), (1363, 137851), (2209, 85057), (2933, 64061), (9541, 19693), (12151, 15463)]