680647394

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 1267633152

約数和(自身を除く): 586985758

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 173, 238, 271, 346, 427, 542, 854, 1037, 1211, 1897, 2074, 2422, 2941, 3794, 4607, 5882, 7259, 9214, 10553, 14518, 16531, 20587, 21106, 32249, 33062, 41174, 46883, 64498, 73871, 93766, 115717, 147742, 179401, 231434, 281027, 328181, 358802, 562054, 656362, 797011, 1255807, 1594022, 1967189, 2511614, 2859863, 3934378, 5579077, 5719726, 11158154, 20019041, 40038082, 48617671, 97235342, 340323697, 680647394]

約数ペア:

[(1, 680647394), (2, 340323697), (7, 97235342), (14, 48617671), (17, 40038082), (34, 20019041), (61, 11158154), (119, 5719726), (122, 5579077), (173, 3934378), (238, 2859863), (271, 2511614), (346, 1967189), (427, 1594022), (542, 1255807), (854, 797011), (1037, 656362), (1211, 562054), (1897, 358802), (2074, 328181), (2422, 281027), (2941, 231434), (3794, 179401), (4607, 147742), (5882, 115717), (7259, 93766), (9214, 73871), (10553, 64498), (14518, 46883), (16531, 41174), (20587, 33062), (21106, 32249)]