199719828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:798

約数の個数: 144

約数和(自身を含む): 636155520

約数和(自身を除く): 436435692

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 109, 126, 132, 154, 198, 218, 231, 252, 308, 327, 396, 436, 462, 654, 661, 693, 763, 924, 981, 1199, 1308, 1322, 1386, 1526, 1962, 1983, 2289, 2398, 2644, 2772, 3052, 3597, 3924, 3966, 4578, 4627, 4796, 5949, 6867, 7194, 7271, 7932, 8393, 9156, 9254, 10791, 11898, 13734, 13881, 14388, 14542, 16786, 18508, 21582, 21813, 23796, 25179, 27468, 27762, 29084, 33572, 41643, 43164, 43626, 50358, 50897, 55524, 65439, 72049, 75537, 83286, 87252, 100716, 101794, 130878, 144098, 151074, 152691, 166572, 203588, 216147, 261756, 288196, 302148, 305382, 432294, 458073, 504343, 610764, 648441, 792539, 864588, 916146, 1008686, 1296882, 1513029, 1585078, 1832292, 2017372, 2377617, 2593764, 3026058, 3170156, 4539087, 4755234, 5547773, 6052116, 7132851, 9078174, 9510468, 11095546, 14265702, 16643319, 18156348, 22191092, 28531404, 33286638, 49929957, 66573276, 99859914, 199719828]

約数ペア:

[(1, 199719828), (2, 99859914), (3, 66573276), (4, 49929957), (6, 33286638), (7, 28531404), (9, 22191092), (11, 18156348), (12, 16643319), (14, 14265702), (18, 11095546), (21, 9510468), (22, 9078174), (28, 7132851), (33, 6052116), (36, 5547773), (42, 4755234), (44, 4539087), (63, 3170156), (66, 3026058), (77, 2593764), (84, 2377617), (99, 2017372), (109, 1832292), (126, 1585078), (132, 1513029), (154, 1296882), (198, 1008686), (218, 916146), (231, 864588), (252, 792539), (308, 648441), (327, 610764), (396, 504343), (436, 458073), (462, 432294), (654, 305382), (661, 302148), (693, 288196), (763, 261756), (924, 216147), (981, 203588), (1199, 166572), (1308, 152691), (1322, 151074), (1386, 144098), (1526, 130878), (1962, 101794), (1983, 100716), (2289, 87252), (2398, 83286), (2644, 75537), (2772, 72049), (3052, 65439), (3597, 55524), (3924, 50897), (3966, 50358), (4578, 43626), (4627, 43164), (4796, 41643), (5949, 33572), (6867, 29084), (7194, 27762), (7271, 27468), (7932, 25179), (8393, 23796), (9156, 21813), (9254, 21582), (10791, 18508), (11898, 16786), (13734, 14542), (13881, 14388)]