28085921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 3277279

約数列:

[1, 17, 23, 109, 391, 659, 1853, 2507, 11203, 15157, 42619, 71831, 257669, 1221127, 1652113, 28085921]

約数ペア:

[(1, 28085921), (17, 1652113), (23, 1221127), (109, 257669), (391, 71831), (659, 42619), (1853, 15157), (2507, 11203)]