81030785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 111041280

約数和(自身を除く): 30010495

約数列:

[1, 5, 11, 29, 55, 101, 145, 319, 503, 505, 1111, 1595, 2515, 2929, 5533, 5555, 14587, 14645, 27665, 32219, 50803, 72935, 160457, 161095, 254015, 558833, 802285, 1473287, 2794165, 7366435, 16206157, 81030785]

約数ペア:

[(1, 81030785), (5, 16206157), (11, 7366435), (29, 2794165), (55, 1473287), (101, 802285), (145, 558833), (319, 254015), (503, 161095), (505, 160457), (1111, 72935), (1595, 50803), (2515, 32219), (2929, 27665), (5533, 14645), (5555, 14587)]