1288492090

素因数分解:

$2^1\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{60521}}^1$

素因数の和:62657

約数の個数: 16

約数和(自身を含む): 2320413480

約数和(自身を除く): 1031921390

約数列:

[1, 2, 5, 10, 2129, 4258, 10645, 21290, 60521, 121042, 302605, 605210, 128849209, 257698418, 644246045, 1288492090]

約数ペア:

[(1, 1288492090), (2, 644246045), (5, 257698418), (10, 128849209), (2129, 605210), (4258, 302605), (10645, 121042), (21290, 60521)]