248299513

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20029}}^1$

素因数の和:20077

約数の個数: 24

約数和(自身を含む): 328812480

約数和(自身を除く): 80512967

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 20029, 140203, 220319, 460667, 981421, 1542233, 3224669, 5067337, 10795631, 22572683, 35471359, 248299513]

約数ペア:

[(1, 248299513), (7, 35471359), (11, 22572683), (23, 10795631), (49, 5067337), (77, 3224669), (161, 1542233), (253, 981421), (539, 460667), (1127, 220319), (1771, 140203), (12397, 20029)]