81656232

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15679}}^1$

素因数の和:15726

約数の個数: 64

約数和(自身を含む): 240844800

約数和(自身を除く): 159188568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 15679, 31358, 47037, 62716, 94074, 109753, 125432, 188148, 219506, 329259, 376296, 439012, 486049, 658518, 878024, 972098, 1317036, 1458147, 1944196, 2634072, 2916294, 3402343, 3888392, 5832588, 6804686, 10207029, 11665176, 13609372, 20414058, 27218744, 40828116, 81656232]

約数ペア:

[(1, 81656232), (2, 40828116), (3, 27218744), (4, 20414058), (6, 13609372), (7, 11665176), (8, 10207029), (12, 6804686), (14, 5832588), (21, 3888392), (24, 3402343), (28, 2916294), (31, 2634072), (42, 1944196), (56, 1458147), (62, 1317036), (84, 972098), (93, 878024), (124, 658518), (168, 486049), (186, 439012), (217, 376296), (248, 329259), (372, 219506), (434, 188148), (651, 125432), (744, 109753), (868, 94074), (1302, 62716), (1736, 47037), (2604, 31358), (5208, 15679)]