211981572

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 611170560

約数和(自身を除く): 399188988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 59, 66, 86, 99, 118, 129, 132, 172, 177, 198, 211, 236, 258, 354, 387, 396, 422, 473, 516, 531, 633, 649, 708, 774, 844, 946, 1062, 1266, 1298, 1419, 1548, 1892, 1899, 1947, 2124, 2321, 2532, 2537, 2596, 2838, 3798, 3894, 4257, 4642, 5074, 5676, 5841, 6963, 7596, 7611, 7788, 8514, 9073, 9284, 10148, 11682, 12449, 13926, 15222, 17028, 18146, 20889, 22833, 23364, 24898, 27219, 27852, 27907, 30444, 36292, 37347, 41778, 45666, 49796, 54438, 55814, 74694, 81657, 83556, 83721, 91332, 99803, 108876, 111628, 112041, 136939, 149388, 163314, 167442, 199606, 224082, 251163, 273878, 299409, 326628, 334884, 399212, 410817, 448164, 502326, 535307, 547756, 598818, 821634, 898227, 1004652, 1070614, 1197636, 1232451, 1605921, 1643268, 1796454, 2141228, 2464902, 3211842, 3592908, 4817763, 4929804, 5888377, 6423684, 9635526, 11776754, 17665131, 19271052, 23553508, 35330262, 52995393, 70660524, 105990786, 211981572]

約数ペア:

[(1, 211981572), (2, 105990786), (3, 70660524), (4, 52995393), (6, 35330262), (9, 23553508), (11, 19271052), (12, 17665131), (18, 11776754), (22, 9635526), (33, 6423684), (36, 5888377), (43, 4929804), (44, 4817763), (59, 3592908), (66, 3211842), (86, 2464902), (99, 2141228), (118, 1796454), (129, 1643268), (132, 1605921), (172, 1232451), (177, 1197636), (198, 1070614), (211, 1004652), (236, 898227), (258, 821634), (354, 598818), (387, 547756), (396, 535307), (422, 502326), (473, 448164), (516, 410817), (531, 399212), (633, 334884), (649, 326628), (708, 299409), (774, 273878), (844, 251163), (946, 224082), (1062, 199606), (1266, 167442), (1298, 163314), (1419, 149388), (1548, 136939), (1892, 112041), (1899, 111628), (1947, 108876), (2124, 99803), (2321, 91332), (2532, 83721), (2537, 83556), (2596, 81657), (2838, 74694), (3798, 55814), (3894, 54438), (4257, 49796), (4642, 45666), (5074, 41778), (5676, 37347), (5841, 36292), (6963, 30444), (7596, 27907), (7611, 27852), (7788, 27219), (8514, 24898), (9073, 23364), (9284, 22833), (10148, 20889), (11682, 18146), (12449, 17028), (13926, 15222)]