40672618

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 71520768

約数和(自身を除く): 30848150

約数列:

[1, 2, 7, 14, 67, 131, 134, 262, 331, 469, 662, 917, 938, 1834, 2317, 4634, 8777, 17554, 22177, 43361, 44354, 61439, 86722, 122878, 155239, 303527, 310478, 607054, 2905187, 5810374, 20336309, 40672618]

約数ペア:

[(1, 40672618), (2, 20336309), (7, 5810374), (14, 2905187), (67, 607054), (131, 310478), (134, 303527), (262, 155239), (331, 122878), (469, 86722), (662, 61439), (917, 44354), (938, 43361), (1834, 22177), (2317, 17554), (4634, 8777)]