217725872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 522258240

約数和(自身を除く): 304532368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 229, 364, 458, 653, 728, 916, 1306, 1456, 1603, 1832, 2612, 2977, 3206, 3664, 4571, 5224, 5954, 6412, 8489, 9142, 10448, 11908, 12824, 16978, 18284, 20839, 23816, 25648, 33956, 36568, 41678, 47632, 59423, 67912, 73136, 83356, 118846, 135824, 149537, 166712, 237692, 299074, 333424, 475384, 598148, 950768, 1046759, 1196296, 1943981, 2093518, 2392592, 3887962, 4187036, 7775924, 8374072, 13607867, 15551848, 16748144, 27215734, 31103696, 54431468, 108862936, 217725872]

約数ペア:

[(1, 217725872), (2, 108862936), (4, 54431468), (7, 31103696), (8, 27215734), (13, 16748144), (14, 15551848), (16, 13607867), (26, 8374072), (28, 7775924), (52, 4187036), (56, 3887962), (91, 2392592), (104, 2093518), (112, 1943981), (182, 1196296), (208, 1046759), (229, 950768), (364, 598148), (458, 475384), (653, 333424), (728, 299074), (916, 237692), (1306, 166712), (1456, 149537), (1603, 135824), (1832, 118846), (2612, 83356), (2977, 73136), (3206, 67912), (3664, 59423), (4571, 47632), (5224, 41678), (5954, 36568), (6412, 33956), (8489, 25648), (9142, 23816), (10448, 20839), (11908, 18284), (12824, 16978)]