491893821645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{119687}}^1$

素因数の和:120010

約数の個数: 64

約数和(自身を含む): 848792825856

約数和(自身を除く): 356899004211

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 227, 255, 355, 681, 1065, 1135, 1207, 3405, 3621, 3859, 6035, 11577, 16117, 18105, 19295, 48351, 57885, 80585, 119687, 241755, 273989, 359061, 598435, 821967, 1369945, 1795305, 2034679, 4109835, 6104037, 8497777, 10173395, 25493331, 27168949, 30520185, 42488885, 81506847, 127466655, 135844745, 144462209, 407534235, 433386627, 461872133, 722311045, 1385616399, 1928995379, 2166933135, 2309360665, 5786986137, 6928081995, 9644976895, 28934930685, 32792921443, 98378764329, 163964607215, 491893821645]

約数ペア:

[(1, 491893821645), (3, 163964607215), (5, 98378764329), (15, 32792921443), (17, 28934930685), (51, 9644976895), (71, 6928081995), (85, 5786986137), (213, 2309360665), (227, 2166933135), (255, 1928995379), (355, 1385616399), (681, 722311045), (1065, 461872133), (1135, 433386627), (1207, 407534235), (3405, 144462209), (3621, 135844745), (3859, 127466655), (6035, 81506847), (11577, 42488885), (16117, 30520185), (18105, 27168949), (19295, 25493331), (48351, 10173395), (57885, 8497777), (80585, 6104037), (119687, 4109835), (241755, 2034679), (273989, 1795305), (359061, 1369945), (598435, 821967)]