81747356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{32491}}^1$

素因数の和:32549

約数の個数: 24

約数和(自身を含む): 155571696

約数和(自身を除く): 73824340

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 32491, 64982, 129964, 552347, 1104694, 1202167, 2209388, 2404334, 4808668, 20436839, 40873678, 81747356]

約数ペア:

[(1, 81747356), (2, 40873678), (4, 20436839), (17, 4808668), (34, 2404334), (37, 2209388), (68, 1202167), (74, 1104694), (148, 552347), (629, 129964), (1258, 64982), (2516, 32491)]