221519298

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 611331840

約数和(自身を除く): 389812542

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 49, 66, 77, 78, 91, 98, 121, 143, 147, 154, 182, 231, 242, 273, 286, 294, 363, 429, 462, 479, 539, 546, 637, 726, 847, 858, 958, 1001, 1078, 1274, 1437, 1573, 1617, 1694, 1911, 2002, 2541, 2874, 3003, 3146, 3234, 3353, 3822, 4719, 5082, 5269, 5929, 6006, 6227, 6706, 7007, 9438, 10059, 10538, 11011, 11858, 12454, 14014, 15807, 17787, 18681, 20118, 21021, 22022, 23471, 31614, 33033, 35574, 36883, 37362, 42042, 43589, 46942, 57959, 66066, 68497, 70413, 73766, 77077, 87178, 110649, 115918, 130767, 136994, 140826, 154154, 173877, 205491, 221298, 231231, 258181, 261534, 305123, 347754, 405713, 410982, 462462, 479479, 516362, 610246, 753467, 774543, 811426, 915369, 958958, 1217139, 1438437, 1506934, 1549086, 1830738, 2260401, 2434278, 2839991, 2876874, 3356353, 4520802, 5274269, 5679982, 6712706, 8519973, 10069059, 10548538, 15822807, 17039946, 20138118, 31645614, 36919883, 73839766, 110759649, 221519298]

約数ペア:

[(1, 221519298), (2, 110759649), (3, 73839766), (6, 36919883), (7, 31645614), (11, 20138118), (13, 17039946), (14, 15822807), (21, 10548538), (22, 10069059), (26, 8519973), (33, 6712706), (39, 5679982), (42, 5274269), (49, 4520802), (66, 3356353), (77, 2876874), (78, 2839991), (91, 2434278), (98, 2260401), (121, 1830738), (143, 1549086), (147, 1506934), (154, 1438437), (182, 1217139), (231, 958958), (242, 915369), (273, 811426), (286, 774543), (294, 753467), (363, 610246), (429, 516362), (462, 479479), (479, 462462), (539, 410982), (546, 405713), (637, 347754), (726, 305123), (847, 261534), (858, 258181), (958, 231231), (1001, 221298), (1078, 205491), (1274, 173877), (1437, 154154), (1573, 140826), (1617, 136994), (1694, 130767), (1911, 115918), (2002, 110649), (2541, 87178), (2874, 77077), (3003, 73766), (3146, 70413), (3234, 68497), (3353, 66066), (3822, 57959), (4719, 46942), (5082, 43589), (5269, 42042), (5929, 37362), (6006, 36883), (6227, 35574), (6706, 33033), (7007, 31614), (9438, 23471), (10059, 22022), (10538, 21021), (11011, 20118), (11858, 18681), (12454, 17787), (14014, 15807)]