42720265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 62161920

約数和(自身を除く): 19441655

約数列:

[1, 5, 7, 19, 35, 95, 133, 227, 283, 665, 1135, 1415, 1589, 1981, 4313, 5377, 7945, 9905, 21565, 26885, 30191, 37639, 64241, 150955, 188195, 321205, 449687, 1220579, 2248435, 6102895, 8544053, 42720265]

約数ペア:

[(1, 42720265), (5, 8544053), (7, 6102895), (19, 2248435), (35, 1220579), (95, 449687), (133, 321205), (227, 188195), (283, 150955), (665, 64241), (1135, 37639), (1415, 30191), (1589, 26885), (1981, 21565), (4313, 9905), (5377, 7945)]