28280358

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{42463}}^1$

素因数の和:42508

約数の個数: 24

約数和(自身を含む): 62931648

約数和(自身を除く): 34651290

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 42463, 84926, 127389, 254778, 382167, 764334, 1571131, 3142262, 4713393, 9426786, 14140179, 28280358]

約数ペア:

[(1, 28280358), (2, 14140179), (3, 9426786), (6, 4713393), (9, 3142262), (18, 1571131), (37, 764334), (74, 382167), (111, 254778), (222, 127389), (333, 84926), (666, 42463)]