211234465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{104831}}^1$

素因数の和:104880

約数の個数: 16

約数和(自身を含む): 281788416

約数和(自身を除く): 70553951

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 104831, 524155, 1362803, 3249761, 6814015, 16248805, 42246893, 211234465]

約数ペア:

[(1, 211234465), (5, 42246893), (13, 16248805), (31, 6814015), (65, 3249761), (155, 1362803), (403, 524155), (2015, 104831)]