19970108

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 35610960

約数和(自身を除く): 15640852

約数列:

[1, 2, 4, 109, 163, 218, 281, 326, 436, 562, 652, 1124, 17767, 30629, 35534, 45803, 61258, 71068, 91606, 122516, 183212, 4992527, 9985054, 19970108]

約数ペア:

[(1, 19970108), (2, 9985054), (4, 4992527), (109, 183212), (163, 122516), (218, 91606), (281, 71068), (326, 61258), (436, 45803), (562, 35534), (652, 30629), (1124, 17767)]