287937923

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 364041216

約数和(自身を除く): 76103293

約数列:

[1, 7, 13, 53, 91, 227, 263, 371, 689, 1589, 1841, 2951, 3419, 4823, 12031, 13939, 20657, 23933, 59701, 84217, 97573, 156403, 181207, 417907, 776113, 1094821, 1268449, 3164153, 5432791, 22149071, 41133989, 287937923]

約数ペア:

[(1, 287937923), (7, 41133989), (13, 22149071), (53, 5432791), (91, 3164153), (227, 1268449), (263, 1094821), (371, 776113), (689, 417907), (1589, 181207), (1841, 156403), (2951, 97573), (3419, 84217), (4823, 59701), (12031, 23933), (13939, 20657)]