648473748279

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1\times {\mathrm{21227}}^1$

素因数の和:21716

約数の個数: 64

約数和(自身を含む): 1029834473472

約数和(自身を除く): 381360725193

約数列:

[1, 3, 7, 21, 31, 93, 167, 217, 281, 501, 651, 843, 1169, 1967, 3507, 5177, 5901, 8711, 15531, 21227, 26133, 36239, 46927, 60977, 63681, 108717, 140781, 148589, 182931, 328489, 445767, 658037, 985467, 1454737, 1974111, 3544909, 4364211, 4606259, 5964787, 10183159, 10634727, 13818777, 17894361, 24814363, 30549477, 41753509, 74443089, 109892179, 125260527, 184908397, 329676537, 554725191, 769245253, 996119429, 1294358779, 2307735759, 2988358287, 3883076337, 6972836003, 20918508009, 30879702299, 92639106897, 216157916093, 648473748279]

約数ペア:

[(1, 648473748279), (3, 216157916093), (7, 92639106897), (21, 30879702299), (31, 20918508009), (93, 6972836003), (167, 3883076337), (217, 2988358287), (281, 2307735759), (501, 1294358779), (651, 996119429), (843, 769245253), (1169, 554725191), (1967, 329676537), (3507, 184908397), (5177, 125260527), (5901, 109892179), (8711, 74443089), (15531, 41753509), (21227, 30549477), (26133, 24814363), (36239, 17894361), (46927, 13818777), (60977, 10634727), (63681, 10183159), (108717, 5964787), (140781, 4606259), (148589, 4364211), (182931, 3544909), (328489, 1974111), (445767, 1454737), (658037, 985467)]