1640987596

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{863}}^1\times {\mathrm{7793}}^1$

素因数の和:8721

約数の個数: 24

約数和(自身を含む): 2922562944

約数和(自身を除く): 1281575348

約数列:

[1, 2, 4, 61, 122, 244, 863, 1726, 3452, 7793, 15586, 31172, 52643, 105286, 210572, 475373, 950746, 1901492, 6725359, 13450718, 26901436, 410246899, 820493798, 1640987596]

約数ペア:

[(1, 1640987596), (2, 820493798), (4, 410246899), (61, 26901436), (122, 13450718), (244, 6725359), (863, 1901492), (1726, 950746), (3452, 475373), (7793, 210572), (15586, 105286), (31172, 52643)]