78521521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5303}}^1$

素因数の和:5400

約数の個数: 16

約数和(自身を含む): 90889344

約数和(自身を除く): 12367823

約数列:

[1, 13, 17, 67, 221, 871, 1139, 5303, 14807, 68939, 90151, 355301, 1171963, 4618913, 6040117, 78521521]

約数ペア:

[(1, 78521521), (13, 6040117), (17, 4618913), (67, 1171963), (221, 355301), (871, 90151), (1139, 68939), (5303, 14807)]