71427778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{13381}}^1$

素因数の和:13557

約数の個数: 16

約数和(自身を含む): 114175224

約数和(自身を除く): 42747446

約数列:

[1, 2, 17, 34, 157, 314, 2669, 5338, 13381, 26762, 227477, 454954, 2100817, 4201634, 35713889, 71427778]

約数ペア:

[(1, 71427778), (2, 35713889), (17, 4201634), (34, 2100817), (157, 454954), (314, 227477), (2669, 26762), (5338, 13381)]