81076684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{9931}}^1$

素因数の和:10105

約数の個数: 24

約数和(自身を含む): 153787088

約数和(自身を除く): 72710404

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 9931, 19862, 39724, 129103, 258206, 516412, 1559167, 3118334, 6236668, 20269171, 40538342, 81076684]

約数ペア:

[(1, 81076684), (2, 40538342), (4, 20269171), (13, 6236668), (26, 3118334), (52, 1559167), (157, 516412), (314, 258206), (628, 129103), (2041, 39724), (4082, 19862), (8164, 9931)]