256534174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{1087}}^1$

素因数の和:1444

約数の個数: 32

約数和(自身を含む): 430456320

約数和(自身を除く): 173922146

約数列:

[1, 2, 13, 26, 29, 58, 313, 377, 626, 754, 1087, 2174, 4069, 8138, 9077, 14131, 18154, 28262, 31523, 63046, 118001, 236002, 340231, 409799, 680462, 819598, 4423003, 8846006, 9866699, 19733398, 128267087, 256534174]

約数ペア:

[(1, 256534174), (2, 128267087), (13, 19733398), (26, 9866699), (29, 8846006), (58, 4423003), (313, 819598), (377, 680462), (626, 409799), (754, 340231), (1087, 236002), (2174, 118001), (4069, 63046), (8138, 31523), (9077, 28262), (14131, 18154)]