398438992

素因数分解:

$2^4\times 7^2\times {\mathrm{508213}}^1$

素因数の和:508235

約数の個数: 30

約数和(自身を含む): 898014138

約数和(自身を除く): 499575146

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 508213, 1016426, 2032852, 3557491, 4065704, 7114982, 8131408, 14229964, 24902437, 28459928, 49804874, 56919856, 99609748, 199219496, 398438992]

約数ペア:

[(1, 398438992), (2, 199219496), (4, 99609748), (7, 56919856), (8, 49804874), (14, 28459928), (16, 24902437), (28, 14229964), (49, 8131408), (56, 7114982), (98, 4065704), (112, 3557491), (196, 2032852), (392, 1016426), (784, 508213)]