2120495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 3084480

約数和(自身を除く): 963985

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 101, 221, 247, 323, 505, 1105, 1235, 1313, 1615, 1717, 1919, 4199, 6565, 8585, 9595, 20995, 22321, 24947, 32623, 111605, 124735, 163115, 424099, 2120495]

約数ペア:

[(1, 2120495), (5, 424099), (13, 163115), (17, 124735), (19, 111605), (65, 32623), (85, 24947), (95, 22321), (101, 20995), (221, 9595), (247, 8585), (323, 6565), (505, 4199), (1105, 1919), (1235, 1717), (1313, 1615)]