28861105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 43029504

約数和(自身を除く): 14168399

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 455, 463, 685, 959, 1781, 2315, 3241, 4795, 6019, 8905, 12467, 16205, 30095, 42133, 62335, 63431, 210665, 317155, 444017, 824603, 2220085, 4123015, 5772221, 28861105]

約数ペア:

[(1, 28861105), (5, 5772221), (7, 4123015), (13, 2220085), (35, 824603), (65, 444017), (91, 317155), (137, 210665), (455, 63431), (463, 62335), (685, 42133), (959, 30095), (1781, 16205), (2315, 12467), (3241, 8905), (4795, 6019)]