1287761770

素因数分解:

$2^1\times 5^1\times {\mathrm{9161}}^1\times {\mathrm{14057}}^1$

素因数の和:23225

約数の個数: 16

約数和(自身を含む): 2318389128

約数和(自身を除く): 1030627358

約数列:

[1, 2, 5, 10, 9161, 14057, 18322, 28114, 45805, 70285, 91610, 140570, 128776177, 257552354, 643880885, 1287761770]

約数ペア:

[(1, 1287761770), (2, 643880885), (5, 257552354), (10, 128776177), (9161, 140570), (14057, 91610), (18322, 70285), (28114, 45805)]