256471505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 338722560

約数和(自身を除く): 82251055

約数列:

[1, 5, 23, 29, 53, 115, 145, 265, 667, 1219, 1451, 1537, 3335, 6095, 7255, 7685, 33373, 35351, 42079, 76903, 166865, 176755, 210395, 384515, 967817, 1768769, 2230187, 4839085, 8843845, 11150935, 51294301, 256471505]

約数ペア:

[(1, 256471505), (5, 51294301), (23, 11150935), (29, 8843845), (53, 4839085), (115, 2230187), (145, 1768769), (265, 967817), (667, 384515), (1219, 210395), (1451, 176755), (1537, 166865), (3335, 76903), (6095, 42079), (7255, 35351), (7685, 33373)]