217848904

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 532224000

約数和(自身を除く): 314375096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 182, 196, 197, 217, 248, 343, 364, 392, 394, 403, 434, 637, 686, 728, 788, 806, 868, 1274, 1372, 1379, 1519, 1576, 1612, 1736, 2548, 2561, 2744, 2758, 2821, 3038, 3224, 4459, 5096, 5122, 5516, 5642, 6076, 6107, 8918, 9653, 10244, 10633, 11032, 11284, 12152, 12214, 17836, 17927, 19306, 19747, 20488, 21266, 22568, 24428, 35672, 35854, 38612, 39494, 42532, 42749, 48856, 67571, 71708, 77224, 78988, 79391, 85064, 85498, 125489, 135142, 138229, 143416, 157976, 158782, 170996, 250978, 270284, 276458, 299243, 317564, 341992, 501956, 540568, 552916, 555737, 598486, 635128, 878423, 1003912, 1105832, 1111474, 1196972, 1756846, 2094701, 2222948, 2393944, 3513692, 3890159, 4189402, 4445896, 7027384, 7780318, 8378804, 15560636, 16757608, 27231113, 31121272, 54462226, 108924452, 217848904]

約数ペア:

[(1, 217848904), (2, 108924452), (4, 54462226), (7, 31121272), (8, 27231113), (13, 16757608), (14, 15560636), (26, 8378804), (28, 7780318), (31, 7027384), (49, 4445896), (52, 4189402), (56, 3890159), (62, 3513692), (91, 2393944), (98, 2222948), (104, 2094701), (124, 1756846), (182, 1196972), (196, 1111474), (197, 1105832), (217, 1003912), (248, 878423), (343, 635128), (364, 598486), (392, 555737), (394, 552916), (403, 540568), (434, 501956), (637, 341992), (686, 317564), (728, 299243), (788, 276458), (806, 270284), (868, 250978), (1274, 170996), (1372, 158782), (1379, 157976), (1519, 143416), (1576, 138229), (1612, 135142), (1736, 125489), (2548, 85498), (2561, 85064), (2744, 79391), (2758, 78988), (2821, 77224), (3038, 71708), (3224, 67571), (4459, 48856), (5096, 42749), (5122, 42532), (5516, 39494), (5642, 38612), (6076, 35854), (6107, 35672), (8918, 24428), (9653, 22568), (10244, 21266), (10633, 20488), (11032, 19747), (11284, 19306), (12152, 17927), (12214, 17836)]