81317464

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2503}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 158653440

約数和(自身を除く): 77335976

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 2503, 4061, 5006, 8122, 10012, 16244, 20024, 32488, 77593, 155186, 310372, 327893, 620744, 655786, 1311572, 2623144, 10164683, 20329366, 40658732, 81317464]

約数ペア:

[(1, 81317464), (2, 40658732), (4, 20329366), (8, 10164683), (31, 2623144), (62, 1311572), (124, 655786), (131, 620744), (248, 327893), (262, 310372), (524, 155186), (1048, 77593), (2503, 32488), (4061, 20024), (5006, 16244), (8122, 10012)]