291215132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{7789}}^1$

素因数の和:8525

約数の個数: 24

約数和(自身を含む): 549662400

約数和(自身を除く): 258447268

約数列:

[1, 2, 4, 13, 26, 52, 719, 1438, 2876, 7789, 9347, 15578, 18694, 31156, 37388, 101257, 202514, 405028, 5600291, 11200582, 22401164, 72803783, 145607566, 291215132]

約数ペア:

[(1, 291215132), (2, 145607566), (4, 72803783), (13, 22401164), (26, 11200582), (52, 5600291), (719, 405028), (1438, 202514), (2876, 101257), (7789, 37388), (9347, 31156), (15578, 18694)]