1278756065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{12241}}^1$

素因数の和:13492

約数の個数: 16

約数和(自身を含む): 1626227280

約数和(自身を除く): 347471215

約数列:

[1, 5, 17, 85, 1229, 6145, 12241, 20893, 61205, 104465, 208097, 1040485, 15044189, 75220945, 255751213, 1278756065]

約数ペア:

[(1, 1278756065), (5, 255751213), (17, 75220945), (85, 15044189), (1229, 1040485), (6145, 208097), (12241, 104465), (20893, 61205)]