217851074

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 420249600

約数和(自身を除く): 202398526

約数列:

[1, 2, 7, 14, 19, 29, 31, 38, 58, 62, 133, 203, 217, 266, 406, 434, 551, 589, 899, 911, 1102, 1178, 1798, 1822, 3857, 4123, 6293, 6377, 7714, 8246, 12586, 12754, 17081, 17309, 26419, 28241, 34162, 34618, 52838, 56482, 119567, 121163, 184933, 197687, 239134, 242326, 369866, 395374, 501961, 536579, 818989, 1003922, 1073158, 1637978, 3513727, 3756053, 5732923, 7027454, 7512106, 11465846, 15560791, 31121582, 108925537, 217851074]

約数ペア:

[(1, 217851074), (2, 108925537), (7, 31121582), (14, 15560791), (19, 11465846), (29, 7512106), (31, 7027454), (38, 5732923), (58, 3756053), (62, 3513727), (133, 1637978), (203, 1073158), (217, 1003922), (266, 818989), (406, 536579), (434, 501961), (551, 395374), (589, 369866), (899, 242326), (911, 239134), (1102, 197687), (1178, 184933), (1798, 121163), (1822, 119567), (3857, 56482), (4123, 52838), (6293, 34618), (6377, 34162), (7714, 28241), (8246, 26419), (12586, 17309), (12754, 17081)]