77861390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{4211}}^1$

素因数の和:4304

約数の個数: 24

約数和(自身を含む): 143519688

約数和(自身を除く): 65658298

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 4211, 8422, 9245, 18490, 21055, 42110, 181073, 362146, 905365, 1810730, 7786139, 15572278, 38930695, 77861390]

約数ペア:

[(1, 77861390), (2, 38930695), (5, 15572278), (10, 7786139), (43, 1810730), (86, 905365), (215, 362146), (430, 181073), (1849, 42110), (3698, 21055), (4211, 18490), (8422, 9245)]