205432826

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 345643200

約数和(自身を除く): 140210374

約数列:

[1, 2, 19, 23, 38, 46, 89, 139, 178, 278, 361, 437, 722, 874, 1691, 2047, 2641, 3197, 3382, 4094, 5282, 6394, 8303, 12371, 16606, 24742, 32129, 38893, 50179, 60743, 64258, 77786, 100358, 121486, 235049, 284533, 470098, 569066, 738967, 1154117, 1477934, 2308234, 4465931, 5406127, 8931862, 10812254, 102716413, 205432826]

約数ペア:

[(1, 205432826), (2, 102716413), (19, 10812254), (23, 8931862), (38, 5406127), (46, 4465931), (89, 2308234), (139, 1477934), (178, 1154117), (278, 738967), (361, 569066), (437, 470098), (722, 284533), (874, 235049), (1691, 121486), (2047, 100358), (2641, 77786), (3197, 64258), (3382, 60743), (4094, 50179), (5282, 38893), (6394, 32129), (8303, 24742), (12371, 16606)]