28631265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 52496640

約数和(自身を除く): 23865375

約数列:

[1, 3, 5, 13, 15, 29, 39, 61, 65, 83, 87, 145, 183, 195, 249, 305, 377, 415, 435, 793, 915, 1079, 1131, 1245, 1769, 1885, 2379, 2407, 3237, 3965, 5063, 5307, 5395, 5655, 7221, 8845, 11895, 12035, 15189, 16185, 22997, 25315, 26535, 31291, 36105, 65819, 68991, 75945, 93873, 114985, 146827, 156455, 197457, 329095, 344955, 440481, 469365, 734135, 987285, 1908751, 2202405, 5726253, 9543755, 28631265]

約数ペア:

[(1, 28631265), (3, 9543755), (5, 5726253), (13, 2202405), (15, 1908751), (29, 987285), (39, 734135), (61, 469365), (65, 440481), (83, 344955), (87, 329095), (145, 197457), (183, 156455), (195, 146827), (249, 114985), (305, 93873), (377, 75945), (415, 68991), (435, 65819), (793, 36105), (915, 31291), (1079, 26535), (1131, 25315), (1245, 22997), (1769, 16185), (1885, 15189), (2379, 12035), (2407, 11895), (3237, 8845), (3965, 7221), (5063, 5655), (5307, 5395)]