81011684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{16061}}^1$

素因数の和:16175

約数の個数: 24

約数和(自身を含む): 154259448

約数和(自身を除く): 73247764

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 16061, 32122, 64244, 208793, 417586, 835172, 1557917, 3115834, 6231668, 20252921, 40505842, 81011684]

約数ペア:

[(1, 81011684), (2, 40505842), (4, 20252921), (13, 6231668), (26, 3115834), (52, 1557917), (97, 835172), (194, 417586), (388, 208793), (1261, 64244), (2522, 32122), (5044, 16061)]