81840416

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2789}}^1$

素因数の和:2937

約数の個数: 48

約数和(自身を含む): 185613120

約数和(自身を除く): 103772704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 917, 1048, 1834, 2096, 2789, 3668, 4192, 5578, 7336, 11156, 14672, 19523, 22312, 29344, 39046, 44624, 78092, 89248, 156184, 312368, 365359, 624736, 730718, 1461436, 2557513, 2922872, 5115026, 5845744, 10230052, 11691488, 20460104, 40920208, 81840416]

約数ペア:

[(1, 81840416), (2, 40920208), (4, 20460104), (7, 11691488), (8, 10230052), (14, 5845744), (16, 5115026), (28, 2922872), (32, 2557513), (56, 1461436), (112, 730718), (131, 624736), (224, 365359), (262, 312368), (524, 156184), (917, 89248), (1048, 78092), (1834, 44624), (2096, 39046), (2789, 29344), (3668, 22312), (4192, 19523), (5578, 14672), (7336, 11156)]