259904008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1559}}^1$

素因数の和:1814

約数の個数: 64

約数和(自身を含む): 602784000

約数和(自身を除く): 342879992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 229, 364, 458, 728, 916, 1559, 1603, 1832, 2977, 3118, 3206, 5954, 6236, 6412, 10913, 11908, 12472, 12824, 20267, 20839, 21826, 23816, 40534, 41678, 43652, 81068, 83356, 87304, 141869, 162136, 166712, 283738, 357011, 567476, 714022, 1134952, 1428044, 2499077, 2856088, 4641143, 4998154, 9282286, 9996308, 18564572, 19992616, 32488001, 37129144, 64976002, 129952004, 259904008]

約数ペア:

[(1, 259904008), (2, 129952004), (4, 64976002), (7, 37129144), (8, 32488001), (13, 19992616), (14, 18564572), (26, 9996308), (28, 9282286), (52, 4998154), (56, 4641143), (91, 2856088), (104, 2499077), (182, 1428044), (229, 1134952), (364, 714022), (458, 567476), (728, 357011), (916, 283738), (1559, 166712), (1603, 162136), (1832, 141869), (2977, 87304), (3118, 83356), (3206, 81068), (5954, 43652), (6236, 41678), (6412, 40534), (10913, 23816), (11908, 21826), (12472, 20839), (12824, 20267)]