251661564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90787}}^1$

素因数の和:90815

約数の個数: 72

約数和(自身を含む): 793123968

約数和(自身を除く): 541462404

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 90787, 181574, 272361, 363148, 544722, 635509, 817083, 998657, 1089444, 1271018, 1634166, 1906527, 1997314, 2542036, 2995971, 3268332, 3813054, 3994628, 5719581, 5991942, 6990599, 7626108, 8987913, 11439162, 11983884, 13981198, 17975826, 20971797, 22878324, 27962396, 35951652, 41943594, 62915391, 83887188, 125830782, 251661564]

約数ペア:

[(1, 251661564), (2, 125830782), (3, 83887188), (4, 62915391), (6, 41943594), (7, 35951652), (9, 27962396), (11, 22878324), (12, 20971797), (14, 17975826), (18, 13981198), (21, 11983884), (22, 11439162), (28, 8987913), (33, 7626108), (36, 6990599), (42, 5991942), (44, 5719581), (63, 3994628), (66, 3813054), (77, 3268332), (84, 2995971), (99, 2542036), (126, 1997314), (132, 1906527), (154, 1634166), (198, 1271018), (231, 1089444), (252, 998657), (308, 817083), (396, 635509), (462, 544722), (693, 363148), (924, 272361), (1386, 181574), (2772, 90787)]