213698128

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 496952320

約数和(自身を除く): 283254192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 427, 434, 488, 496, 854, 868, 976, 1009, 1708, 1736, 1891, 2018, 3416, 3472, 3782, 4036, 6832, 7063, 7564, 8072, 13237, 14126, 15128, 16144, 26474, 28252, 30256, 31279, 52948, 56504, 61549, 62558, 105896, 113008, 123098, 125116, 211792, 218953, 246196, 250232, 430843, 437906, 492392, 500464, 861686, 875812, 984784, 1723372, 1751624, 1908019, 3446744, 3503248, 3816038, 6893488, 7632076, 13356133, 15264152, 26712266, 30528304, 53424532, 106849064, 213698128]

約数ペア:

[(1, 213698128), (2, 106849064), (4, 53424532), (7, 30528304), (8, 26712266), (14, 15264152), (16, 13356133), (28, 7632076), (31, 6893488), (56, 3816038), (61, 3503248), (62, 3446744), (112, 1908019), (122, 1751624), (124, 1723372), (217, 984784), (244, 875812), (248, 861686), (427, 500464), (434, 492392), (488, 437906), (496, 430843), (854, 250232), (868, 246196), (976, 218953), (1009, 211792), (1708, 125116), (1736, 123098), (1891, 113008), (2018, 105896), (3416, 62558), (3472, 61549), (3782, 56504), (4036, 52948), (6832, 31279), (7063, 30256), (7564, 28252), (8072, 26474), (13237, 16144), (14126, 15128)]