28123172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91309}}^1$

素因数の和:91331

約数の個数: 24

約数和(自身を含む): 61360320

約数和(自身を除く): 33237148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91309, 182618, 365236, 639163, 1004399, 1278326, 2008798, 2556652, 4017596, 7030793, 14061586, 28123172]

約数ペア:

[(1, 28123172), (2, 14061586), (4, 7030793), (7, 4017596), (11, 2556652), (14, 2008798), (22, 1278326), (28, 1004399), (44, 639163), (77, 365236), (154, 182618), (308, 91309)]