218213748

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 574053480

約数和(自身を除く): 355839732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 197, 261, 348, 394, 522, 591, 788, 1044, 1061, 1182, 1773, 2122, 2364, 3183, 3546, 4244, 5713, 6366, 7092, 9549, 11426, 12732, 17139, 19098, 22852, 30769, 34278, 38196, 51417, 61538, 68556, 92307, 102834, 123076, 184614, 205668, 209017, 276921, 369228, 418034, 553842, 627051, 836068, 1107684, 1254102, 1881153, 2508204, 3762306, 6061493, 7524612, 12122986, 18184479, 24245972, 36368958, 54553437, 72737916, 109106874, 218213748]

約数ペア:

[(1, 218213748), (2, 109106874), (3, 72737916), (4, 54553437), (6, 36368958), (9, 24245972), (12, 18184479), (18, 12122986), (29, 7524612), (36, 6061493), (58, 3762306), (87, 2508204), (116, 1881153), (174, 1254102), (197, 1107684), (261, 836068), (348, 627051), (394, 553842), (522, 418034), (591, 369228), (788, 276921), (1044, 209017), (1061, 205668), (1182, 184614), (1773, 123076), (2122, 102834), (2364, 92307), (3183, 68556), (3546, 61538), (4244, 51417), (5713, 38196), (6366, 34278), (7092, 30769), (9549, 22852), (11426, 19098), (12732, 17139)]