2000744967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 2900894976

約数和(自身を除く): 900150009

約数列:

[1, 3, 13, 39, 163, 489, 491, 641, 1473, 1923, 2119, 6357, 6383, 8333, 19149, 24999, 80033, 104483, 240099, 313449, 314731, 944193, 1040429, 1358279, 3121287, 4074837, 4091503, 12274509, 51301153, 153903459, 666914989, 2000744967]

約数ペア:

[(1, 2000744967), (3, 666914989), (13, 153903459), (39, 51301153), (163, 12274509), (489, 4091503), (491, 4074837), (641, 3121287), (1473, 1358279), (1923, 1040429), (2119, 944193), (6357, 314731), (6383, 313449), (8333, 240099), (19149, 104483), (24999, 80033)]