2783006555

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{111521}}^1$

素因数の和:111587

約数の個数: 32

約数和(自身を含む): 4111147008

約数和(自身を除く): 1328140453

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 805, 1085, 3565, 4991, 24955, 111521, 557605, 780647, 2564983, 3457151, 3903235, 12824915, 17285755, 17954881, 24200057, 79514473, 89774405, 121000285, 397572365, 556601311, 2783006555]

約数ペア:

[(1, 2783006555), (5, 556601311), (7, 397572365), (23, 121000285), (31, 89774405), (35, 79514473), (115, 24200057), (155, 17954881), (161, 17285755), (217, 12824915), (713, 3903235), (805, 3457151), (1085, 2564983), (3565, 780647), (4991, 557605), (24955, 111521)]