66880072

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{14389}}^1$

素因数の和:14485

約数の個数: 32

約数和(自身を含む): 145051200

約数和(自身を除く): 78171128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 14389, 28778, 57556, 100723, 115112, 201446, 402892, 805784, 1194287, 2388574, 4777148, 8360009, 9554296, 16720018, 33440036, 66880072]

約数ペア:

[(1, 66880072), (2, 33440036), (4, 16720018), (7, 9554296), (8, 8360009), (14, 4777148), (28, 2388574), (56, 1194287), (83, 805784), (166, 402892), (332, 201446), (581, 115112), (664, 100723), (1162, 57556), (2324, 28778), (4648, 14389)]