281715008

素因数分解:

$2^6\times {\mathrm{223}}^1\times {\mathrm{19739}}^1$

素因数の和:19974

約数の個数: 28

約数和(自身を含む): 561563520

約数和(自身を除く): 279848512

約数列:

[1, 2, 4, 8, 16, 32, 64, 223, 446, 892, 1784, 3568, 7136, 14272, 19739, 39478, 78956, 157912, 315824, 631648, 1263296, 4401797, 8803594, 17607188, 35214376, 70428752, 140857504, 281715008]

約数ペア:

[(1, 281715008), (2, 140857504), (4, 70428752), (8, 35214376), (16, 17607188), (32, 8803594), (64, 4401797), (223, 1263296), (446, 631648), (892, 315824), (1784, 157912), (3568, 78956), (7136, 39478), (14272, 19739)]