1821985942

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 3250077696

約数和(自身を除く): 1428091754

約数列:

[1, 2, 7, 14, 61, 107, 122, 127, 157, 214, 254, 314, 427, 749, 854, 889, 1099, 1498, 1778, 2198, 6527, 7747, 9577, 13054, 13589, 15494, 16799, 19154, 19939, 27178, 33598, 39878, 45689, 54229, 67039, 91378, 95123, 108458, 117593, 134078, 139573, 190246, 235186, 279146, 828929, 1024739, 1216279, 1657858, 2049478, 2133473, 2432558, 4266946, 5802503, 7173173, 8513953, 11605006, 14346346, 14934311, 17027906, 29868622, 130141853, 260283706, 910992971, 1821985942]

約数ペア:

[(1, 1821985942), (2, 910992971), (7, 260283706), (14, 130141853), (61, 29868622), (107, 17027906), (122, 14934311), (127, 14346346), (157, 11605006), (214, 8513953), (254, 7173173), (314, 5802503), (427, 4266946), (749, 2432558), (854, 2133473), (889, 2049478), (1099, 1657858), (1498, 1216279), (1778, 1024739), (2198, 828929), (6527, 279146), (7747, 235186), (9577, 190246), (13054, 139573), (13589, 134078), (15494, 117593), (16799, 108458), (19154, 95123), (19939, 91378), (27178, 67039), (33598, 54229), (39878, 45689)]