2603209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 3362240

約数和(自身を除く): 759031

約数列:

[1, 7, 19, 23, 37, 133, 161, 259, 437, 529, 703, 851, 3059, 3703, 4921, 5957, 10051, 16169, 19573, 70357, 113183, 137011, 371887, 2603209]

約数ペア:

[(1, 2603209), (7, 371887), (19, 137011), (23, 113183), (37, 70357), (133, 19573), (161, 16169), (259, 10051), (437, 5957), (529, 4921), (703, 3703), (851, 3059)]