64780184

素因数分解:

$2^3\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1409}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 139082400

約数和(自身を除く): 74302216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 821, 1409, 1642, 2818, 3284, 5636, 5747, 6568, 9863, 11272, 11494, 19726, 22988, 39452, 45976, 78904, 1156789, 2313578, 4627156, 8097523, 9254312, 16195046, 32390092, 64780184]

約数ペア:

[(1, 64780184), (2, 32390092), (4, 16195046), (7, 9254312), (8, 8097523), (14, 4627156), (28, 2313578), (56, 1156789), (821, 78904), (1409, 45976), (1642, 39452), (2818, 22988), (3284, 19726), (5636, 11494), (5747, 11272), (6568, 9863)]