31804955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 49893120

約数和(自身を除く): 18088165

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 169, 247, 283, 455, 665, 845, 1183, 1235, 1415, 1729, 1981, 3211, 3679, 5377, 5915, 8645, 9905, 16055, 18395, 22477, 25753, 26885, 37639, 47827, 69901, 112385, 128765, 188195, 239135, 334789, 349505, 489307, 908713, 1673945, 2446535, 4543565, 6360991, 31804955]

約数ペア:

[(1, 31804955), (5, 6360991), (7, 4543565), (13, 2446535), (19, 1673945), (35, 908713), (65, 489307), (91, 349505), (95, 334789), (133, 239135), (169, 188195), (247, 128765), (283, 112385), (455, 69901), (665, 47827), (845, 37639), (1183, 26885), (1235, 25753), (1415, 22477), (1729, 18395), (1981, 16055), (3211, 9905), (3679, 8645), (5377, 5915)]