781442641

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 982333440

約数和(自身を除く): 200890799

約数列:

[1, 7, 23, 49, 67, 79, 131, 161, 469, 553, 917, 1127, 1541, 1817, 3013, 3283, 3871, 5293, 6419, 8777, 10349, 10787, 12719, 21091, 37051, 61439, 72443, 75509, 89033, 121739, 147637, 201871, 238027, 259357, 430073, 507101, 693383, 852173, 1413097, 1666189, 4853681, 5965211, 9891679, 11663323, 15947809, 33975767, 111634663, 781442641]

約数ペア:

[(1, 781442641), (7, 111634663), (23, 33975767), (49, 15947809), (67, 11663323), (79, 9891679), (131, 5965211), (161, 4853681), (469, 1666189), (553, 1413097), (917, 852173), (1127, 693383), (1541, 507101), (1817, 430073), (3013, 259357), (3283, 238027), (3871, 201871), (5293, 147637), (6419, 121739), (8777, 89033), (10349, 75509), (10787, 72443), (12719, 61439), (21091, 37051)]