71290388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{31883}}^1$

素因数の和:31943

約数の個数: 24

約数和(自身を含む): 137483808

約数和(自身を除く): 66193420

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 31883, 63766, 127532, 414479, 828958, 1370969, 1657916, 2741938, 5483876, 17822597, 35645194, 71290388]

約数ペア:

[(1, 71290388), (2, 35645194), (4, 17822597), (13, 5483876), (26, 2741938), (43, 1657916), (52, 1370969), (86, 828958), (172, 414479), (559, 127532), (1118, 63766), (2236, 31883)]