420443972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{278809}}^1$

素因数の和:278855

約数の個数: 24

約数和(自身を含む): 819701400

約数和(自身を除く): 399257428

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 278809, 557618, 1115236, 3624517, 7249034, 8085461, 14498068, 16170922, 32341844, 105110993, 210221986, 420443972]

約数ペア:

[(1, 420443972), (2, 210221986), (4, 105110993), (13, 32341844), (26, 16170922), (29, 14498068), (52, 8085461), (58, 7249034), (116, 3624517), (377, 1115236), (754, 557618), (1508, 278809)]