28180208

素因数分解:

$2^4\times 7^1\times {\mathrm{251609}}^1$

素因数の和:251624

約数の個数: 20

約数和(自身を含む): 62399280

約数和(自身を除く): 34219072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251609, 503218, 1006436, 1761263, 2012872, 3522526, 4025744, 7045052, 14090104, 28180208]

約数ペア:

[(1, 28180208), (2, 14090104), (4, 7045052), (7, 4025744), (8, 3522526), (14, 2012872), (16, 1761263), (28, 1006436), (56, 503218), (112, 251609)]