28494928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 69816960

約数和(自身を除く): 41322032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 154, 176, 202, 229, 308, 404, 458, 616, 707, 808, 916, 1111, 1232, 1414, 1603, 1616, 1832, 2222, 2519, 2828, 3206, 3664, 4444, 5038, 5656, 6412, 7777, 8888, 10076, 11312, 12824, 15554, 17633, 17776, 20152, 23129, 25648, 31108, 35266, 40304, 46258, 62216, 70532, 92516, 124432, 141064, 161903, 185032, 254419, 282128, 323806, 370064, 508838, 647612, 1017676, 1295224, 1780933, 2035352, 2590448, 3561866, 4070704, 7123732, 14247464, 28494928]

約数ペア:

[(1, 28494928), (2, 14247464), (4, 7123732), (7, 4070704), (8, 3561866), (11, 2590448), (14, 2035352), (16, 1780933), (22, 1295224), (28, 1017676), (44, 647612), (56, 508838), (77, 370064), (88, 323806), (101, 282128), (112, 254419), (154, 185032), (176, 161903), (202, 141064), (229, 124432), (308, 92516), (404, 70532), (458, 62216), (616, 46258), (707, 40304), (808, 35266), (916, 31108), (1111, 25648), (1232, 23129), (1414, 20152), (1603, 17776), (1616, 17633), (1832, 15554), (2222, 12824), (2519, 11312), (2828, 10076), (3206, 8888), (3664, 7777), (4444, 6412), (5038, 5656)]