51259390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 72

約数和(自身を含む): 116409960

約数和(自身を除く): 65150570

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 455, 490, 619, 637, 845, 910, 1183, 1238, 1274, 1690, 2366, 3095, 3185, 4333, 5915, 6190, 6370, 8047, 8281, 8666, 11830, 16094, 16562, 21665, 30331, 40235, 41405, 43330, 56329, 60662, 80470, 82810, 104611, 112658, 151655, 209222, 281645, 303310, 394303, 523055, 563290, 732277, 788606, 1046110, 1464554, 1971515, 3661385, 3943030, 5125939, 7322770, 10251878, 25629695, 51259390]

約数ペア:

[(1, 51259390), (2, 25629695), (5, 10251878), (7, 7322770), (10, 5125939), (13, 3943030), (14, 3661385), (26, 1971515), (35, 1464554), (49, 1046110), (65, 788606), (70, 732277), (91, 563290), (98, 523055), (130, 394303), (169, 303310), (182, 281645), (245, 209222), (338, 151655), (455, 112658), (490, 104611), (619, 82810), (637, 80470), (845, 60662), (910, 56329), (1183, 43330), (1238, 41405), (1274, 40235), (1690, 30331), (2366, 21665), (3095, 16562), (3185, 16094), (4333, 11830), (5915, 8666), (6190, 8281), (6370, 8047)]