81631342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59239}}^1$

素因数の和:59307

約数の個数: 16

約数和(自身を含む): 134356320

約数和(自身を除く): 52724978

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 59239, 118478, 770107, 1540214, 3139667, 6279334, 40815671, 81631342]

約数ペア:

[(1, 81631342), (2, 40815671), (13, 6279334), (26, 3139667), (53, 1540214), (106, 770107), (689, 118478), (1378, 59239)]