28469285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 10479835

約数列:

[1, 5, 13, 23, 65, 115, 137, 139, 299, 685, 695, 1495, 1781, 1807, 3151, 3197, 8905, 9035, 15755, 15985, 19043, 40963, 41561, 95215, 204815, 207805, 247559, 437989, 1237795, 2189945, 5693857, 28469285]

約数ペア:

[(1, 28469285), (5, 5693857), (13, 2189945), (23, 1237795), (65, 437989), (115, 247559), (137, 207805), (139, 204815), (299, 95215), (685, 41561), (695, 40963), (1495, 19043), (1781, 15985), (1807, 15755), (3151, 9035), (3197, 8905)]