28019319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 41256960

約数和(自身を除く): 13237641

約数列:

[1, 3, 19, 31, 57, 93, 101, 157, 303, 471, 589, 1767, 1919, 2983, 3131, 4867, 5757, 8949, 9393, 14601, 15857, 47571, 59489, 92473, 178467, 277419, 301283, 491567, 903849, 1474701, 9339773, 28019319]

約数ペア:

[(1, 28019319), (3, 9339773), (19, 1474701), (31, 903849), (57, 491567), (93, 301283), (101, 277419), (157, 178467), (303, 92473), (471, 59489), (589, 47571), (1767, 15857), (1919, 14601), (2983, 9393), (3131, 8949), (4867, 5757)]