216852688

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 80

約数和(自身を含む): 472192000

約数和(自身を除く): 255339312

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 199, 208, 248, 338, 398, 403, 496, 676, 796, 806, 1352, 1592, 1612, 2197, 2587, 2704, 3184, 3224, 4394, 5174, 5239, 6169, 6448, 8788, 10348, 10478, 12338, 17576, 20696, 20956, 24676, 33631, 35152, 41392, 41912, 49352, 67262, 68107, 80197, 83824, 98704, 134524, 136214, 160394, 269048, 272428, 320788, 437203, 538096, 544856, 641576, 874406, 1042561, 1089712, 1283152, 1748812, 2085122, 3497624, 4170244, 6995248, 8340488, 13553293, 16680976, 27106586, 54213172, 108426344, 216852688]

約数ペア:

[(1, 216852688), (2, 108426344), (4, 54213172), (8, 27106586), (13, 16680976), (16, 13553293), (26, 8340488), (31, 6995248), (52, 4170244), (62, 3497624), (104, 2085122), (124, 1748812), (169, 1283152), (199, 1089712), (208, 1042561), (248, 874406), (338, 641576), (398, 544856), (403, 538096), (496, 437203), (676, 320788), (796, 272428), (806, 269048), (1352, 160394), (1592, 136214), (1612, 134524), (2197, 98704), (2587, 83824), (2704, 80197), (3184, 68107), (3224, 67262), (4394, 49352), (5174, 41912), (5239, 41392), (6169, 35152), (6448, 33631), (8788, 24676), (10348, 20956), (10478, 20696), (12338, 17576)]