78241264

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{31147}}^1$

素因数の和:31312

約数の個数: 20

約数和(自身を含む): 152562904

約数和(自身を除く): 74321640

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 31147, 62294, 124588, 249176, 498352, 4890079, 9780158, 19560316, 39120632, 78241264]

約数ペア:

[(1, 78241264), (2, 39120632), (4, 19560316), (8, 9780158), (16, 4890079), (157, 498352), (314, 249176), (628, 124588), (1256, 62294), (2512, 31147)]