1648501998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{27061}}^1$

素因数の和:27161

約数の個数: 64

約数和(自身を含む): 3928103424

約数和(自身を除く): 2279601426

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 781, 858, 923, 1562, 1846, 2343, 2769, 4686, 5538, 10153, 20306, 27061, 30459, 54122, 60918, 81183, 162366, 297671, 351793, 595342, 703586, 893013, 1055379, 1786026, 1921331, 2110758, 3842662, 3869723, 5763993, 7739446, 11527986, 11609169, 21134641, 23218338, 24977303, 42269282, 49954606, 63403923, 74931909, 126807846, 149863818, 274750333, 549500666, 824250999, 1648501998]

約数ペア:

[(1, 1648501998), (2, 824250999), (3, 549500666), (6, 274750333), (11, 149863818), (13, 126807846), (22, 74931909), (26, 63403923), (33, 49954606), (39, 42269282), (66, 24977303), (71, 23218338), (78, 21134641), (142, 11609169), (143, 11527986), (213, 7739446), (286, 5763993), (426, 3869723), (429, 3842662), (781, 2110758), (858, 1921331), (923, 1786026), (1562, 1055379), (1846, 893013), (2343, 703586), (2769, 595342), (4686, 351793), (5538, 297671), (10153, 162366), (20306, 81183), (27061, 60918), (30459, 54122)]