890652568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{276257}}^1$

素因数の和:276307

約数の個数: 32

約数和(自身を含む): 1856453760

約数和(自身を除く): 965801192

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 276257, 552514, 1105028, 2210056, 3591341, 7182682, 8563967, 14365364, 17127934, 28730728, 34255868, 68511736, 111331571, 222663142, 445326284, 890652568]

約数ペア:

[(1, 890652568), (2, 445326284), (4, 222663142), (8, 111331571), (13, 68511736), (26, 34255868), (31, 28730728), (52, 17127934), (62, 14365364), (104, 8563967), (124, 7182682), (248, 3591341), (403, 2210056), (806, 1105028), (1612, 552514), (3224, 276257)]