12390455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{32183}}^1$

素因数の和:32206

約数の個数: 16

約数和(自身を含む): 18537984

約数和(自身を除く): 6147529

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 32183, 160915, 225281, 354013, 1126405, 1770065, 2478091, 12390455]

約数ペア:

[(1, 12390455), (5, 2478091), (7, 1770065), (11, 1126405), (35, 354013), (55, 225281), (77, 160915), (385, 32183)]