31881512

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{23581}}^1$

素因数の和:23613

約数の個数: 24

約数和(自身を含む): 64732590

約数和(自身を除く): 32851078

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 23581, 47162, 94324, 188648, 306553, 613106, 1226212, 2452424, 3985189, 7970378, 15940756, 31881512]

約数ペア:

[(1, 31881512), (2, 15940756), (4, 7970378), (8, 3985189), (13, 2452424), (26, 1226212), (52, 613106), (104, 306553), (169, 188648), (338, 94324), (676, 47162), (1352, 23581)]