68639948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{77647}}^1$

素因数の和:77681

約数の個数: 24

約数和(自身を含む): 136971072

約数和(自身を除く): 68331124

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 77647, 155294, 310588, 1009411, 1319999, 2018822, 2639998, 4037644, 5279996, 17159987, 34319974, 68639948]

約数ペア:

[(1, 68639948), (2, 34319974), (4, 17159987), (13, 5279996), (17, 4037644), (26, 2639998), (34, 2018822), (52, 1319999), (68, 1009411), (221, 310588), (442, 155294), (884, 77647)]