28581358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 49674240

約数和(自身を除く): 21092882

約数列:

[1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 893, 1222, 1231, 1786, 2462, 11609, 16003, 23218, 23389, 32006, 46778, 57857, 115714, 304057, 608114, 752141, 1099283, 1504282, 2198566, 14290679, 28581358]

約数ペア:

[(1, 28581358), (2, 14290679), (13, 2198566), (19, 1504282), (26, 1099283), (38, 752141), (47, 608114), (94, 304057), (247, 115714), (494, 57857), (611, 46778), (893, 32006), (1222, 23389), (1231, 23218), (1786, 16003), (2462, 11609)]