28156304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{159979}}^1$

素因数の和:159998

約数の個数: 20

約数和(自身を含む): 59512560

約数和(自身を除く): 31356256

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 159979, 319958, 639916, 1279832, 1759769, 2559664, 3519538, 7039076, 14078152, 28156304]

約数ペア:

[(1, 28156304), (2, 14078152), (4, 7039076), (8, 3519538), (11, 2559664), (16, 1759769), (22, 1279832), (44, 639916), (88, 319958), (176, 159979)]