28459376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1601}}^1$

素因数の和:1721

約数の個数: 40

約数和(自身を含む): 60786288

約数和(自身を除く): 32326912

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1601, 1616, 2222, 3202, 4444, 6404, 8888, 12808, 17611, 17776, 25616, 35222, 70444, 140888, 161701, 281776, 323402, 646804, 1293608, 1778711, 2587216, 3557422, 7114844, 14229688, 28459376]

約数ペア:

[(1, 28459376), (2, 14229688), (4, 7114844), (8, 3557422), (11, 2587216), (16, 1778711), (22, 1293608), (44, 646804), (88, 323402), (101, 281776), (176, 161701), (202, 140888), (404, 70444), (808, 35222), (1111, 25616), (1601, 17776), (1616, 17611), (2222, 12808), (3202, 8888), (4444, 6404)]