39905404

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 90091008

約数和(自身を除く): 50185604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 154, 166, 196, 223, 308, 332, 446, 539, 581, 892, 913, 1078, 1162, 1561, 1826, 2156, 2324, 2453, 3122, 3652, 4067, 4906, 6244, 6391, 8134, 9812, 10927, 12782, 16268, 17171, 18509, 21854, 25564, 34342, 37018, 43708, 44737, 68684, 74036, 89474, 120197, 129563, 178948, 203599, 240394, 259126, 407198, 480788, 518252, 814396, 906941, 1425193, 1813882, 2850386, 3627764, 5700772, 9976351, 19952702, 39905404]

約数ペア:

[(1, 39905404), (2, 19952702), (4, 9976351), (7, 5700772), (11, 3627764), (14, 2850386), (22, 1813882), (28, 1425193), (44, 906941), (49, 814396), (77, 518252), (83, 480788), (98, 407198), (154, 259126), (166, 240394), (196, 203599), (223, 178948), (308, 129563), (332, 120197), (446, 89474), (539, 74036), (581, 68684), (892, 44737), (913, 43708), (1078, 37018), (1162, 34342), (1561, 25564), (1826, 21854), (2156, 18509), (2324, 17171), (2453, 16268), (3122, 12782), (3652, 10927), (4067, 9812), (4906, 8134), (6244, 6391)]