28371572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 55706112

約数和(自身を除く): 27334540

約数列:

[1, 2, 4, 17, 31, 34, 43, 62, 68, 86, 124, 172, 313, 527, 626, 731, 1054, 1252, 1333, 1462, 2108, 2666, 2924, 5321, 5332, 9703, 10642, 13459, 19406, 21284, 22661, 26918, 38812, 45322, 53836, 90644, 164951, 228803, 329902, 417229, 457606, 659804, 834458, 915212, 1668916, 7092893, 14185786, 28371572]

約数ペア:

[(1, 28371572), (2, 14185786), (4, 7092893), (17, 1668916), (31, 915212), (34, 834458), (43, 659804), (62, 457606), (68, 417229), (86, 329902), (124, 228803), (172, 164951), (313, 90644), (527, 53836), (626, 45322), (731, 38812), (1054, 26918), (1252, 22661), (1333, 21284), (1462, 19406), (2108, 13459), (2666, 10642), (2924, 9703), (5321, 5332)]