128466728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39847}}^1$

素因数の和:39897

約数の個数: 32

約数和(自身を含む): 267778560

約数和(自身を除く): 139311832

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 39847, 79694, 159388, 318776, 518011, 1036022, 1235257, 2072044, 2470514, 4144088, 4941028, 9882056, 16058341, 32116682, 64233364, 128466728]

約数ペア:

[(1, 128466728), (2, 64233364), (4, 32116682), (8, 16058341), (13, 9882056), (26, 4941028), (31, 4144088), (52, 2470514), (62, 2072044), (104, 1235257), (124, 1036022), (248, 518011), (403, 318776), (806, 159388), (1612, 79694), (3224, 39847)]