231162815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 312076800

約数和(自身を除く): 80913985

約数列:

[1, 5, 13, 31, 65, 89, 155, 403, 445, 1157, 1289, 2015, 2759, 5785, 6445, 13795, 16757, 35867, 39959, 83785, 114721, 179335, 199795, 519467, 573605, 1491373, 2597335, 3556351, 7456865, 17781755, 46232563, 231162815]

約数ペア:

[(1, 231162815), (5, 46232563), (13, 17781755), (31, 7456865), (65, 3556351), (89, 2597335), (155, 1491373), (403, 573605), (445, 519467), (1157, 199795), (1289, 179335), (2015, 114721), (2759, 83785), (5785, 39959), (6445, 35867), (13795, 16757)]