12195865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 17252352

約数和(自身を除く): 5056487

約数列:

[1, 5, 11, 23, 31, 55, 115, 155, 253, 311, 341, 713, 1265, 1555, 1705, 3421, 3565, 7153, 7843, 9641, 17105, 35765, 39215, 48205, 78683, 106051, 221743, 393415, 530255, 1108715, 2439173, 12195865]

約数ペア:

[(1, 12195865), (5, 2439173), (11, 1108715), (23, 530255), (31, 393415), (55, 221743), (115, 106051), (155, 78683), (253, 48205), (311, 39215), (341, 35765), (713, 17105), (1265, 9641), (1555, 7843), (1705, 7153), (3421, 3565)]