71891996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{2549}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 137516400

約数和(自身を除く): 65624404

約数列:

[1, 2, 4, 11, 22, 44, 641, 1282, 2549, 2564, 5098, 7051, 10196, 14102, 28039, 28204, 56078, 112156, 1633909, 3267818, 6535636, 17972999, 35945998, 71891996]

約数ペア:

[(1, 71891996), (2, 35945998), (4, 17972999), (11, 6535636), (22, 3267818), (44, 1633909), (641, 112156), (1282, 56078), (2549, 28204), (2564, 28039), (5098, 14102), (7051, 10196)]