9090172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 21028896

約数和(自身を除く): 11938724

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 113, 119, 169, 182, 221, 226, 238, 338, 364, 442, 452, 476, 676, 791, 884, 1183, 1469, 1547, 1582, 1921, 2366, 2873, 2938, 3094, 3164, 3842, 4732, 5746, 5876, 6188, 7684, 10283, 11492, 13447, 19097, 20111, 20566, 24973, 26894, 38194, 40222, 41132, 49946, 53788, 76388, 80444, 99892, 133679, 174811, 267358, 324649, 349622, 534716, 649298, 699244, 1298596, 2272543, 4545086, 9090172]

約数ペア:

[(1, 9090172), (2, 4545086), (4, 2272543), (7, 1298596), (13, 699244), (14, 649298), (17, 534716), (26, 349622), (28, 324649), (34, 267358), (52, 174811), (68, 133679), (91, 99892), (113, 80444), (119, 76388), (169, 53788), (182, 49946), (221, 41132), (226, 40222), (238, 38194), (338, 26894), (364, 24973), (442, 20566), (452, 20111), (476, 19097), (676, 13447), (791, 11492), (884, 10283), (1183, 7684), (1469, 6188), (1547, 5876), (1582, 5746), (1921, 4732), (2366, 3842), (2873, 3164), (2938, 3094)]