51129715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 76317696

約数和(自身を除く): 25187981

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 721, 1091, 1339, 3605, 5455, 6695, 7637, 9373, 14183, 38185, 46865, 70915, 99281, 112373, 496405, 561865, 786611, 1460849, 3933055, 7304245, 10225943, 51129715]

約数ペア:

[(1, 51129715), (5, 10225943), (7, 7304245), (13, 3933055), (35, 1460849), (65, 786611), (91, 561865), (103, 496405), (455, 112373), (515, 99281), (721, 70915), (1091, 46865), (1339, 38185), (3605, 14183), (5455, 9373), (6695, 7637)]