81505478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1\times {\mathrm{3617}}^1$

素因数の和:4231

約数の個数: 16

約数和(自身を含む): 128945520

約数和(自身を除く): 47440042

約数列:

[1, 2, 19, 38, 593, 1186, 3617, 7234, 11267, 22534, 68723, 137446, 2144881, 4289762, 40752739, 81505478]

約数ペア:

[(1, 81505478), (2, 40752739), (19, 4289762), (38, 2144881), (593, 137446), (1186, 68723), (3617, 22534), (7234, 11267)]