28906306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 51928128

約数和(自身を除く): 23021822

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 1166, 1378, 1907, 3814, 7579, 15158, 20977, 24791, 41954, 49582, 101071, 202142, 272701, 545402, 1111781, 1313923, 2223562, 2627846, 14453153, 28906306]

約数ペア:

[(1, 28906306), (2, 14453153), (11, 2627846), (13, 2223562), (22, 1313923), (26, 1111781), (53, 545402), (106, 272701), (143, 202142), (286, 101071), (583, 49582), (689, 41954), (1166, 24791), (1378, 20977), (1907, 15158), (3814, 7579)]