81388918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{6761}}^1$

素因数の和:7239

約数の個数: 16

約数和(自身を含む): 131777856

約数和(自身を除く): 50388938

約数列:

[1, 2, 13, 26, 463, 926, 6019, 6761, 12038, 13522, 87893, 175786, 3130343, 6260686, 40694459, 81388918]

約数ペア:

[(1, 81388918), (2, 40694459), (13, 6260686), (26, 3130343), (463, 175786), (926, 87893), (6019, 13522), (6761, 12038)]