397238428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{1021}}^1\times {\mathrm{4229}}^1$

素因数の和:5277

約数の個数: 24

約数和(自身を含む): 726274080

約数和(自身を除く): 329035652

約数列:

[1, 2, 4, 23, 46, 92, 1021, 2042, 4084, 4229, 8458, 16916, 23483, 46966, 93932, 97267, 194534, 389068, 4317809, 8635618, 17271236, 99309607, 198619214, 397238428]

約数ペア:

[(1, 397238428), (2, 198619214), (4, 99309607), (23, 17271236), (46, 8635618), (92, 4317809), (1021, 389068), (2042, 194534), (4084, 97267), (4229, 93932), (8458, 46966), (16916, 23483)]