640846704

素因数分解:

$2^4\times 3^1\times {\mathrm{13350973}}^1$

素因数の和:13350984

約数の個数: 20

約数和(自身を含む): 1655520776

約数和(自身を除く): 1014674072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13350973, 26701946, 40052919, 53403892, 80105838, 106807784, 160211676, 213615568, 320423352, 640846704]

約数ペア:

[(1, 640846704), (2, 320423352), (3, 213615568), (4, 160211676), (6, 106807784), (8, 80105838), (12, 53403892), (16, 40052919), (24, 26701946), (48, 13350973)]