71720038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{25307}}^1$

素因数の和:25431

約数の個数: 16

約数和(自身を含む): 116922960

約数和(自身を除く): 45202922

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 25307, 50614, 328991, 657982, 2758463, 5516926, 35860019, 71720038]

約数ペア:

[(1, 71720038), (2, 35860019), (13, 5516926), (26, 2758463), (109, 657982), (218, 328991), (1417, 50614), (2834, 25307)]