2173747408

素因数分解:

$2^4\times 7^3\times {\mathrm{396091}}^1$

素因数の和:396120

約数の個数: 40

約数和(自身を含む): 4911540800

約数和(自身を除く): 2737793392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 396091, 792182, 1584364, 2772637, 3168728, 5545274, 6337456, 11090548, 19408459, 22181096, 38816918, 44362192, 77633836, 135859213, 155267672, 271718426, 310535344, 543436852, 1086873704, 2173747408]

約数ペア:

[(1, 2173747408), (2, 1086873704), (4, 543436852), (7, 310535344), (8, 271718426), (14, 155267672), (16, 135859213), (28, 77633836), (49, 44362192), (56, 38816918), (98, 22181096), (112, 19408459), (196, 11090548), (343, 6337456), (392, 5545274), (686, 3168728), (784, 2772637), (1372, 1584364), (2744, 792182), (5488, 396091)]