81238664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8053}}^1$

素因数の和:8169

約数の個数: 32

約数和(自身を含む): 165751320

約数和(自身を除く): 84512656

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2522, 5044, 8053, 10088, 16106, 32212, 64424, 104689, 209378, 418756, 781141, 837512, 1562282, 3124564, 6249128, 10154833, 20309666, 40619332, 81238664]

約数ペア:

[(1, 81238664), (2, 40619332), (4, 20309666), (8, 10154833), (13, 6249128), (26, 3124564), (52, 1562282), (97, 837512), (104, 781141), (194, 418756), (388, 209378), (776, 104689), (1261, 64424), (2522, 32212), (5044, 16106), (8053, 10088)]