80540978

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 142057344

約数和(自身を除く): 61516366

約数列:

[1, 2, 7, 14, 43, 86, 301, 337, 397, 602, 674, 794, 2359, 2779, 4718, 5558, 14491, 17071, 28982, 34142, 101437, 119497, 133789, 202874, 238994, 267578, 936523, 1873046, 5752927, 11505854, 40270489, 80540978]

約数ペア:

[(1, 80540978), (2, 40270489), (7, 11505854), (14, 5752927), (43, 1873046), (86, 936523), (301, 267578), (337, 238994), (397, 202874), (602, 133789), (674, 119497), (794, 101437), (2359, 34142), (2779, 28982), (4718, 17071), (5558, 14491)]