30891966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 73602048

約数和(自身を除く): 42710082

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 103, 111, 193, 206, 222, 259, 309, 386, 518, 579, 618, 721, 777, 1158, 1351, 1442, 1554, 2163, 2702, 3811, 4053, 4326, 7141, 7622, 8106, 11433, 14282, 19879, 21423, 22866, 26677, 39758, 42846, 49987, 53354, 59637, 80031, 99974, 119274, 139153, 149961, 160062, 278306, 299922, 417459, 735523, 834918, 1471046, 2206569, 4413138, 5148661, 10297322, 15445983, 30891966]

約数ペア:

[(1, 30891966), (2, 15445983), (3, 10297322), (6, 5148661), (7, 4413138), (14, 2206569), (21, 1471046), (37, 834918), (42, 735523), (74, 417459), (103, 299922), (111, 278306), (193, 160062), (206, 149961), (222, 139153), (259, 119274), (309, 99974), (386, 80031), (518, 59637), (579, 53354), (618, 49987), (721, 42846), (777, 39758), (1158, 26677), (1351, 22866), (1442, 21423), (1554, 19879), (2163, 14282), (2702, 11433), (3811, 8106), (4053, 7622), (4326, 7141)]