81750228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3453

約数の個数: 72

約数和(自身を含む): 227372544

約数和(自身を除く): 145622316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3391, 3444, 4018, 6027, 6782, 8036, 10173, 12054, 13564, 20346, 23737, 24108, 40692, 47474, 71211, 94948, 139031, 142422, 166159, 278062, 284844, 332318, 417093, 498477, 556124, 664636, 834186, 973217, 996954, 1668372, 1946434, 1993908, 2919651, 3892868, 5839302, 6812519, 11678604, 13625038, 20437557, 27250076, 40875114, 81750228]

約数ペア:

[(1, 81750228), (2, 40875114), (3, 27250076), (4, 20437557), (6, 13625038), (7, 11678604), (12, 6812519), (14, 5839302), (21, 3892868), (28, 2919651), (41, 1993908), (42, 1946434), (49, 1668372), (82, 996954), (84, 973217), (98, 834186), (123, 664636), (147, 556124), (164, 498477), (196, 417093), (246, 332318), (287, 284844), (294, 278062), (492, 166159), (574, 142422), (588, 139031), (861, 94948), (1148, 71211), (1722, 47474), (2009, 40692), (3391, 24108), (3444, 23737), (4018, 20346), (6027, 13564), (6782, 12054), (8036, 10173)]