221808496

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3151

約数の個数: 80

約数和(自身を含む): 539896000

約数和(自身を除く): 318087504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 343, 364, 392, 637, 686, 728, 784, 1274, 1372, 1456, 2548, 2744, 3109, 4459, 5096, 5488, 6218, 8918, 10192, 12436, 17836, 21763, 24872, 35672, 40417, 43526, 49744, 71344, 80834, 87052, 152341, 161668, 174104, 282919, 304682, 323336, 348208, 565838, 609364, 646672, 1066387, 1131676, 1218728, 1980433, 2132774, 2263352, 2437456, 3960866, 4265548, 4526704, 7921732, 8531096, 13863031, 15843464, 17062192, 27726062, 31686928, 55452124, 110904248, 221808496]

約数ペア:

[(1, 221808496), (2, 110904248), (4, 55452124), (7, 31686928), (8, 27726062), (13, 17062192), (14, 15843464), (16, 13863031), (26, 8531096), (28, 7921732), (49, 4526704), (52, 4265548), (56, 3960866), (91, 2437456), (98, 2263352), (104, 2132774), (112, 1980433), (182, 1218728), (196, 1131676), (208, 1066387), (343, 646672), (364, 609364), (392, 565838), (637, 348208), (686, 323336), (728, 304682), (784, 282919), (1274, 174104), (1372, 161668), (1456, 152341), (2548, 87052), (2744, 80834), (3109, 71344), (4459, 49744), (5096, 43526), (5488, 40417), (6218, 35672), (8918, 24872), (10192, 21763), (12436, 17836)]