420968898

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{2473}}^1$

素因数の和:2688

約数の個数: 72

約数和(自身を含む): 1066942188

約数和(自身を除く): 645973290

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 193, 294, 386, 441, 579, 882, 1158, 1351, 1737, 2473, 2702, 3474, 4053, 4946, 7419, 8106, 9457, 12159, 14838, 17311, 18914, 22257, 24318, 28371, 34622, 44514, 51933, 56742, 85113, 103866, 121177, 155799, 170226, 242354, 311598, 363531, 477289, 727062, 954578, 1090593, 1431867, 2181186, 2863734, 3341023, 4295601, 6682046, 8591202, 10023069, 20046138, 23387161, 30069207, 46774322, 60138414, 70161483, 140322966, 210484449, 420968898]

約数ペア:

[(1, 420968898), (2, 210484449), (3, 140322966), (6, 70161483), (7, 60138414), (9, 46774322), (14, 30069207), (18, 23387161), (21, 20046138), (42, 10023069), (49, 8591202), (63, 6682046), (98, 4295601), (126, 3341023), (147, 2863734), (193, 2181186), (294, 1431867), (386, 1090593), (441, 954578), (579, 727062), (882, 477289), (1158, 363531), (1351, 311598), (1737, 242354), (2473, 170226), (2702, 155799), (3474, 121177), (4053, 103866), (4946, 85113), (7419, 56742), (8106, 51933), (9457, 44514), (12159, 34622), (14838, 28371), (17311, 24318), (18914, 22257)]