28674940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204821}}^1$

素因数の和:204837

約数の個数: 24

約数和(自身を含む): 68820192

約数和(自身を除く): 40145252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204821, 409642, 819284, 1024105, 1433747, 2048210, 2867494, 4096420, 5734988, 7168735, 14337470, 28674940]

約数ペア:

[(1, 28674940), (2, 14337470), (4, 7168735), (5, 5734988), (7, 4096420), (10, 2867494), (14, 2048210), (20, 1433747), (28, 1024105), (35, 819284), (70, 409642), (140, 204821)]