6439984

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{5669}}^1$

素因数の和:5748

約数の個数: 20

約数和(自身を含む): 12655440

約数和(自身を除く): 6215456

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 5669, 11338, 22676, 45352, 90704, 402499, 804998, 1609996, 3219992, 6439984]

約数ペア:

[(1, 6439984), (2, 3219992), (4, 1609996), (8, 804998), (16, 402499), (71, 90704), (142, 45352), (284, 22676), (568, 11338), (1136, 5669)]