204877915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{120163}}^1$

素因数の和:120210

約数の個数: 16

約数和(自身を含む): 276857856

約数和(自身を除く): 71979941

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 120163, 600815, 1321793, 3725053, 6608965, 18625265, 40975583, 204877915]

約数ペア:

[(1, 204877915), (5, 40975583), (11, 18625265), (31, 6608965), (55, 3725053), (155, 1321793), (341, 600815), (1705, 120163)]