138428524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61909}}^1$

素因数の和:61969

約数の個数: 24

約数和(自身を含む): 266955920

約数和(自身を除く): 128527396

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 61909, 123818, 247636, 804817, 1609634, 2662087, 3219268, 5324174, 10648348, 34607131, 69214262, 138428524]

約数ペア:

[(1, 138428524), (2, 69214262), (4, 34607131), (13, 10648348), (26, 5324174), (43, 3219268), (52, 2662087), (86, 1609634), (172, 804817), (559, 247636), (1118, 123818), (2236, 61909)]