71564556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19813}}^1$

素因数の和:19870

約数の個数: 48

約数和(自身を含む): 195286784

約数和(自身を除く): 123722228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 19813, 39626, 59439, 79252, 118878, 138691, 237756, 277382, 416073, 554764, 832146, 851959, 1664292, 1703918, 2555877, 3407836, 5111754, 5963713, 10223508, 11927426, 17891139, 23854852, 35782278, 71564556]

約数ペア:

[(1, 71564556), (2, 35782278), (3, 23854852), (4, 17891139), (6, 11927426), (7, 10223508), (12, 5963713), (14, 5111754), (21, 3407836), (28, 2555877), (42, 1703918), (43, 1664292), (84, 851959), (86, 832146), (129, 554764), (172, 416073), (258, 277382), (301, 237756), (516, 138691), (602, 118878), (903, 79252), (1204, 59439), (1806, 39626), (3612, 19813)]