12657190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2021

約数の個数: 48

約数和(自身を含む): 28555632

約数和(自身を除く): 15898442

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1987, 3185, 3974, 6370, 9935, 13909, 19870, 25831, 27818, 51662, 69545, 97363, 129155, 139090, 180817, 194726, 258310, 361634, 486815, 904085, 973630, 1265719, 1808170, 2531438, 6328595, 12657190]

約数ペア:

[(1, 12657190), (2, 6328595), (5, 2531438), (7, 1808170), (10, 1265719), (13, 973630), (14, 904085), (26, 486815), (35, 361634), (49, 258310), (65, 194726), (70, 180817), (91, 139090), (98, 129155), (130, 97363), (182, 69545), (245, 51662), (455, 27818), (490, 25831), (637, 19870), (910, 13909), (1274, 9935), (1987, 6370), (3185, 3974)]