261666942

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 558446400

約数和(自身を除く): 296779458

約数列:

[1, 2, 3, 6, 29, 58, 61, 87, 89, 122, 174, 178, 183, 267, 277, 366, 534, 554, 831, 1662, 1769, 2581, 3538, 5162, 5307, 5429, 7743, 8033, 10614, 10858, 15486, 16066, 16287, 16897, 24099, 24653, 32574, 33794, 48198, 49306, 50691, 73959, 101382, 147918, 157441, 314882, 472323, 490013, 714937, 944646, 980026, 1429874, 1470039, 1503833, 2144811, 2940078, 3007666, 4289622, 4511499, 9022998, 43611157, 87222314, 130833471, 261666942]

約数ペア:

[(1, 261666942), (2, 130833471), (3, 87222314), (6, 43611157), (29, 9022998), (58, 4511499), (61, 4289622), (87, 3007666), (89, 2940078), (122, 2144811), (174, 1503833), (178, 1470039), (183, 1429874), (267, 980026), (277, 944646), (366, 714937), (534, 490013), (554, 472323), (831, 314882), (1662, 157441), (1769, 147918), (2581, 101382), (3538, 73959), (5162, 50691), (5307, 49306), (5429, 48198), (7743, 33794), (8033, 32574), (10614, 24653), (10858, 24099), (15486, 16897), (16066, 16287)]