389910064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{786109}}^1$

素因数の和:786148

約数の個数: 20

約数和(自身を含む): 779821120

約数和(自身を除く): 389911056

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 786109, 1572218, 3144436, 6288872, 12577744, 24369379, 48738758, 97477516, 194955032, 389910064]

約数ペア:

[(1, 389910064), (2, 194955032), (4, 97477516), (8, 48738758), (16, 24369379), (31, 12577744), (62, 6288872), (124, 3144436), (248, 1572218), (496, 786109)]