28977641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 10420759

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 551, 683, 1463, 2233, 3857, 4781, 6061, 7513, 12977, 19807, 42427, 52591, 90839, 138649, 142747, 217877, 376333, 999229, 1525139, 2634331, 4139663, 28977641]

約数ペア:

[(1, 28977641), (7, 4139663), (11, 2634331), (19, 1525139), (29, 999229), (77, 376333), (133, 217877), (203, 142747), (209, 138649), (319, 90839), (551, 52591), (683, 42427), (1463, 19807), (2233, 12977), (3857, 7513), (4781, 6061)]