28206728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8663}}^1$

素因数の和:8717

約数の個数: 32

約数和(自身を含む): 59261760

約数和(自身を除く): 31055032

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 8663, 17326, 34652, 69304, 95293, 190586, 320531, 381172, 641062, 762344, 1282124, 2564248, 3525841, 7051682, 14103364, 28206728]

約数ペア:

[(1, 28206728), (2, 14103364), (4, 7051682), (8, 3525841), (11, 2564248), (22, 1282124), (37, 762344), (44, 641062), (74, 381172), (88, 320531), (148, 190586), (296, 95293), (407, 69304), (814, 34652), (1628, 17326), (3256, 8663)]