15721938468

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{22031}}^1$

素因数の和:22545

約数の個数: 72

約数和(自身を含む): 40755851136

約数和(自身を除く): 25033912668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 461, 516, 774, 922, 1383, 1548, 1844, 2766, 4149, 5532, 8298, 16596, 19823, 22031, 39646, 44062, 59469, 66093, 79292, 88124, 118938, 132186, 178407, 198279, 237876, 264372, 356814, 396558, 713628, 793116, 947333, 1894666, 2841999, 3789332, 5683998, 8525997, 10156291, 11367996, 17051994, 20312582, 30468873, 34103988, 40625164, 60937746, 91406619, 121875492, 182813238, 365626476, 436720513, 873441026, 1310161539, 1746882052, 2620323078, 3930484617, 5240646156, 7860969234, 15721938468]

約数ペア:

[(1, 15721938468), (2, 7860969234), (3, 5240646156), (4, 3930484617), (6, 2620323078), (9, 1746882052), (12, 1310161539), (18, 873441026), (36, 436720513), (43, 365626476), (86, 182813238), (129, 121875492), (172, 91406619), (258, 60937746), (387, 40625164), (461, 34103988), (516, 30468873), (774, 20312582), (922, 17051994), (1383, 11367996), (1548, 10156291), (1844, 8525997), (2766, 5683998), (4149, 3789332), (5532, 2841999), (8298, 1894666), (16596, 947333), (19823, 793116), (22031, 713628), (39646, 396558), (44062, 356814), (59469, 264372), (66093, 237876), (79292, 198279), (88124, 178407), (118938, 132186)]