211951188

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 564157440

約数和(自身を除く): 352206252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 131, 142, 211, 213, 262, 284, 393, 422, 426, 524, 633, 639, 786, 844, 852, 1179, 1266, 1278, 1572, 1899, 1917, 2358, 2532, 2556, 3537, 3798, 3834, 4716, 5697, 7074, 7596, 7668, 9301, 11394, 14148, 14981, 18602, 22788, 27641, 27903, 29962, 37204, 44943, 55282, 55806, 59924, 82923, 83709, 89886, 110564, 111612, 134829, 165846, 167418, 179772, 248769, 251127, 269658, 331692, 334836, 404487, 497538, 502254, 539316, 746307, 808974, 995076, 1004508, 1492614, 1617948, 1962511, 2985228, 3925022, 5887533, 7850044, 11775066, 17662599, 23550132, 35325198, 52987797, 70650396, 105975594, 211951188]

約数ペア:

[(1, 211951188), (2, 105975594), (3, 70650396), (4, 52987797), (6, 35325198), (9, 23550132), (12, 17662599), (18, 11775066), (27, 7850044), (36, 5887533), (54, 3925022), (71, 2985228), (108, 1962511), (131, 1617948), (142, 1492614), (211, 1004508), (213, 995076), (262, 808974), (284, 746307), (393, 539316), (422, 502254), (426, 497538), (524, 404487), (633, 334836), (639, 331692), (786, 269658), (844, 251127), (852, 248769), (1179, 179772), (1266, 167418), (1278, 165846), (1572, 134829), (1899, 111612), (1917, 110564), (2358, 89886), (2532, 83709), (2556, 82923), (3537, 59924), (3798, 55806), (3834, 55282), (4716, 44943), (5697, 37204), (7074, 29962), (7596, 27903), (7668, 27641), (9301, 22788), (11394, 18602), (14148, 14981)]