128765742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 308966400

約数和(自身を除く): 180200658

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 71, 87, 142, 174, 203, 213, 406, 426, 497, 609, 994, 1218, 1489, 1491, 2059, 2978, 2982, 4118, 4467, 6177, 8934, 10423, 12354, 14413, 20846, 28826, 31269, 43181, 43239, 62538, 86362, 86478, 105719, 129543, 211438, 259086, 302267, 317157, 604534, 634314, 740033, 906801, 1480066, 1813602, 2220099, 3065851, 4440198, 6131702, 9197553, 18395106, 21460957, 42921914, 64382871, 128765742]

約数ペア:

[(1, 128765742), (2, 64382871), (3, 42921914), (6, 21460957), (7, 18395106), (14, 9197553), (21, 6131702), (29, 4440198), (42, 3065851), (58, 2220099), (71, 1813602), (87, 1480066), (142, 906801), (174, 740033), (203, 634314), (213, 604534), (406, 317157), (426, 302267), (497, 259086), (609, 211438), (994, 129543), (1218, 105719), (1489, 86478), (1491, 86362), (2059, 62538), (2978, 43239), (2982, 43181), (4118, 31269), (4467, 28826), (6177, 20846), (8934, 14413), (10423, 12354)]