11972345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 18130176

約数和(自身を除く): 6157831

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 257, 385, 605, 847, 1285, 1331, 1799, 2827, 4235, 6655, 8995, 9317, 14135, 19789, 31097, 46585, 98945, 155485, 217679, 342067, 1088395, 1710335, 2394469, 11972345]

約数ペア:

[(1, 11972345), (5, 2394469), (7, 1710335), (11, 1088395), (35, 342067), (55, 217679), (77, 155485), (121, 98945), (257, 46585), (385, 31097), (605, 19789), (847, 14135), (1285, 9317), (1331, 8995), (1799, 6655), (2827, 4235)]