71389724

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{68909}}^1$

素因数の和:68957

約数の個数: 24

約数和(自身を含む): 146640480

約数和(自身を除く): 75250756

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 68909, 137818, 275636, 482363, 964726, 1929452, 2549633, 5099266, 10198532, 17847431, 35694862, 71389724]

約数ペア:

[(1, 71389724), (2, 35694862), (4, 17847431), (7, 10198532), (14, 5099266), (28, 2549633), (37, 1929452), (74, 964726), (148, 482363), (259, 275636), (518, 137818), (1036, 68909)]