128423845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{15671}}^1$

素因数の和:15836

約数の個数: 16

約数和(自身を含む): 169257600

約数和(自身を除く): 40833755

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 15671, 78355, 172381, 861905, 2334979, 11674895, 25684769, 128423845]

約数ペア:

[(1, 128423845), (5, 25684769), (11, 11674895), (55, 2334979), (149, 861905), (745, 172381), (1639, 78355), (8195, 15671)]