640929385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1\times {\mathrm{4219}}^1$

素因数の和:5568

約数の個数: 16

約数和(自身を含む): 803352960

約数和(自身を除く): 162423575

約数列:

[1, 5, 23, 115, 1321, 4219, 6605, 21095, 30383, 97037, 151915, 485185, 5573299, 27866495, 128185877, 640929385]

約数ペア:

[(1, 640929385), (5, 128185877), (23, 27866495), (115, 5573299), (1321, 485185), (4219, 151915), (6605, 97037), (21095, 30383)]