391683422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{8291}}^1$

素因数の和:8408

約数の個数: 32

約数和(自身を含む): 668666880

約数和(自身を除く): 276983458

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 598, 1027, 1817, 2054, 3634, 8291, 16582, 23621, 47242, 107783, 190693, 215566, 381386, 654989, 1309978, 2479009, 4958018, 8514857, 15064747, 17029714, 30129494, 195841711, 391683422]

約数ペア:

[(1, 391683422), (2, 195841711), (13, 30129494), (23, 17029714), (26, 15064747), (46, 8514857), (79, 4958018), (158, 2479009), (299, 1309978), (598, 654989), (1027, 381386), (1817, 215566), (2054, 190693), (3634, 107783), (8291, 47242), (16582, 23621)]