28942823

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 38537856

約数和(自身を除く): 9595033

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 353, 371, 689, 901, 1547, 2471, 4589, 4823, 6001, 6307, 11713, 18709, 32123, 42007, 78013, 81991, 130963, 243217, 318053, 546091, 1702519, 2226371, 4134689, 28942823]

約数ペア:

[(1, 28942823), (7, 4134689), (13, 2226371), (17, 1702519), (53, 546091), (91, 318053), (119, 243217), (221, 130963), (353, 81991), (371, 78013), (689, 42007), (901, 32123), (1547, 18709), (2471, 11713), (4589, 6307), (4823, 6001)]