420459949

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{12799}}^1$

素因数の和:12857

約数の個数: 24

約数和(自身を含む): 546201600

約数和(自身を除く): 125741651

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1729, 2527, 4693, 12799, 32851, 89593, 166387, 243181, 1164709, 1702267, 3161353, 4620439, 22129471, 32343073, 60065707, 420459949]

約数ペア:

[(1, 420459949), (7, 60065707), (13, 32343073), (19, 22129471), (91, 4620439), (133, 3161353), (247, 1702267), (361, 1164709), (1729, 243181), (2527, 166387), (4693, 89593), (12799, 32851)]