640686443264

素因数分解:

$2^8\times 7^2\times {\mathrm{51075131}}^1$

素因数の和:51075161

約数の個数: 54

約数和(自身を含む): 1487665369764

約数和(自身を除く): 846978926500

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 51075131, 102150262, 204300524, 357525917, 408601048, 715051834, 817202096, 1430103668, 1634404192, 2502681419, 2860207336, 3268808384, 5005362838, 5720414672, 6537616768, 10010725676, 11440829344, 13075233536, 20021451352, 22881658688, 40042902704, 45763317376, 80085805408, 91526634752, 160171610816, 320343221632, 640686443264]

約数ペア:

[(1, 640686443264), (2, 320343221632), (4, 160171610816), (7, 91526634752), (8, 80085805408), (14, 45763317376), (16, 40042902704), (28, 22881658688), (32, 20021451352), (49, 13075233536), (56, 11440829344), (64, 10010725676), (98, 6537616768), (112, 5720414672), (128, 5005362838), (196, 3268808384), (224, 2860207336), (256, 2502681419), (392, 1634404192), (448, 1430103668), (784, 817202096), (896, 715051834), (1568, 408601048), (1792, 357525917), (3136, 204300524), (6272, 102150262), (12544, 51075131)]