778935456

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{208049}}^1$

素因数の和:208078

約数の個数: 72

約数和(自身を含む): 2385501300

約数和(自身を除く): 1606565844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 208049, 416098, 624147, 832196, 1248294, 1664392, 1872441, 2496588, 2704637, 3328784, 3744882, 4993176, 5409274, 6657568, 7489764, 8113911, 9986352, 10818548, 14979528, 16227822, 19972704, 21637096, 24341733, 29959056, 32455644, 43274192, 48683466, 59918112, 64911288, 86548384, 97366932, 129822576, 194733864, 259645152, 389467728, 778935456]

約数ペア:

[(1, 778935456), (2, 389467728), (3, 259645152), (4, 194733864), (6, 129822576), (8, 97366932), (9, 86548384), (12, 64911288), (13, 59918112), (16, 48683466), (18, 43274192), (24, 32455644), (26, 29959056), (32, 24341733), (36, 21637096), (39, 19972704), (48, 16227822), (52, 14979528), (72, 10818548), (78, 9986352), (96, 8113911), (104, 7489764), (117, 6657568), (144, 5409274), (156, 4993176), (208, 3744882), (234, 3328784), (288, 2704637), (312, 2496588), (416, 1872441), (468, 1664392), (624, 1248294), (936, 832196), (1248, 624147), (1872, 416098), (3744, 208049)]