187789428

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4555

約数の個数: 72

約数和(自身を含む): 503831328

約数和(自身を除く): 316041900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 486, 516, 774, 972, 1161, 1548, 2322, 3483, 4493, 4644, 6966, 8986, 10449, 13479, 13932, 17972, 20898, 26958, 40437, 41796, 53916, 80874, 121311, 161748, 193199, 242622, 363933, 386398, 485244, 579597, 727866, 772796, 1091799, 1159194, 1455732, 1738791, 2183598, 2318388, 3477582, 4367196, 5216373, 6955164, 10432746, 15649119, 20865492, 31298238, 46947357, 62596476, 93894714, 187789428]

約数ペア:

[(1, 187789428), (2, 93894714), (3, 62596476), (4, 46947357), (6, 31298238), (9, 20865492), (12, 15649119), (18, 10432746), (27, 6955164), (36, 5216373), (43, 4367196), (54, 3477582), (81, 2318388), (86, 2183598), (108, 1738791), (129, 1455732), (162, 1159194), (172, 1091799), (243, 772796), (258, 727866), (324, 579597), (387, 485244), (486, 386398), (516, 363933), (774, 242622), (972, 193199), (1161, 161748), (1548, 121311), (2322, 80874), (3483, 53916), (4493, 41796), (4644, 40437), (6966, 26958), (8986, 20898), (10449, 17972), (13479, 13932)]