259864592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 570171840

約数和(自身を除く): 310307248

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 67, 104, 116, 134, 208, 232, 268, 377, 464, 536, 643, 754, 871, 1072, 1286, 1508, 1742, 1943, 2572, 3016, 3484, 3886, 5144, 6032, 6968, 7772, 8359, 10288, 13936, 15544, 16718, 18647, 25259, 31088, 33436, 37294, 43081, 50518, 66872, 74588, 86162, 101036, 133744, 149176, 172324, 202072, 242411, 298352, 344648, 404144, 484822, 560053, 689296, 969644, 1120106, 1249349, 1939288, 2240212, 2498698, 3878576, 4480424, 4997396, 8960848, 9994792, 16241537, 19989584, 32483074, 64966148, 129932296, 259864592]

約数ペア:

[(1, 259864592), (2, 129932296), (4, 64966148), (8, 32483074), (13, 19989584), (16, 16241537), (26, 9994792), (29, 8960848), (52, 4997396), (58, 4480424), (67, 3878576), (104, 2498698), (116, 2240212), (134, 1939288), (208, 1249349), (232, 1120106), (268, 969644), (377, 689296), (464, 560053), (536, 484822), (643, 404144), (754, 344648), (871, 298352), (1072, 242411), (1286, 202072), (1508, 172324), (1742, 149176), (1943, 133744), (2572, 101036), (3016, 86162), (3484, 74588), (3886, 66872), (5144, 50518), (6032, 43081), (6968, 37294), (7772, 33436), (8359, 31088), (10288, 25259), (13936, 18647), (15544, 16718)]