289031505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 540587520

約数和(自身を除く): 251556015

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 157, 197, 267, 445, 471, 591, 623, 785, 985, 1099, 1335, 1379, 1869, 2355, 2955, 3115, 3297, 4137, 5495, 6895, 9345, 13973, 16485, 17533, 20685, 30929, 41919, 52599, 69865, 87665, 92787, 97811, 122731, 154645, 209595, 216503, 262995, 293433, 368193, 463935, 489055, 613655, 649509, 1082515, 1467165, 1840965, 2752681, 3247545, 8258043, 13763405, 19268767, 41290215, 57806301, 96343835, 289031505]

約数ペア:

[(1, 289031505), (3, 96343835), (5, 57806301), (7, 41290215), (15, 19268767), (21, 13763405), (35, 8258043), (89, 3247545), (105, 2752681), (157, 1840965), (197, 1467165), (267, 1082515), (445, 649509), (471, 613655), (591, 489055), (623, 463935), (785, 368193), (985, 293433), (1099, 262995), (1335, 216503), (1379, 209595), (1869, 154645), (2355, 122731), (2955, 97811), (3115, 92787), (3297, 87665), (4137, 69865), (5495, 52599), (6895, 41919), (9345, 30929), (13973, 20685), (16485, 17533)]