2781156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 7507584

約数和(自身を除く): 4726428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 293, 339, 452, 586, 678, 791, 879, 1172, 1356, 1582, 1758, 2051, 2373, 3164, 3516, 4102, 4746, 6153, 8204, 9492, 12306, 24612, 33109, 66218, 99327, 132436, 198654, 231763, 397308, 463526, 695289, 927052, 1390578, 2781156]

約数ペア:

[(1, 2781156), (2, 1390578), (3, 927052), (4, 695289), (6, 463526), (7, 397308), (12, 231763), (14, 198654), (21, 132436), (28, 99327), (42, 66218), (84, 33109), (113, 24612), (226, 12306), (293, 9492), (339, 8204), (452, 6153), (586, 4746), (678, 4102), (791, 3516), (879, 3164), (1172, 2373), (1356, 2051), (1582, 1758)]