15671820515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1\times {\mathrm{6563}}^1$

素因数の和:8759

約数の個数: 32

約数和(自身を含む): 21457348416

約数和(自身を除く): 5785527901

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 2161, 6563, 10805, 28093, 32815, 36737, 85319, 111571, 140465, 183685, 426595, 477581, 557855, 1450423, 2387905, 7252115, 14182643, 70913215, 184374359, 241104931, 921871795, 1205524655, 3134364103, 15671820515]

約数ペア:

[(1, 15671820515), (5, 3134364103), (13, 1205524655), (17, 921871795), (65, 241104931), (85, 184374359), (221, 70913215), (1105, 14182643), (2161, 7252115), (6563, 2387905), (10805, 1450423), (28093, 557855), (32815, 477581), (36737, 426595), (85319, 183685), (111571, 140465)]