31978510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 60409152

約数和(自身を除く): 28430642

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 257, 514, 541, 1082, 1285, 2570, 2705, 5410, 5911, 11822, 12443, 24886, 29555, 59110, 62215, 124430, 139037, 278074, 695185, 1390370, 3197851, 6395702, 15989255, 31978510]

約数ペア:

[(1, 31978510), (2, 15989255), (5, 6395702), (10, 3197851), (23, 1390370), (46, 695185), (115, 278074), (230, 139037), (257, 124430), (514, 62215), (541, 59110), (1082, 29555), (1285, 24886), (2570, 12443), (2705, 11822), (5410, 5911)]