12917456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 25873344

約数和(自身を除く): 12955888

約数列:

[1, 2, 4, 8, 16, 71, 83, 137, 142, 166, 274, 284, 332, 548, 568, 664, 1096, 1136, 1328, 2192, 5893, 9727, 11371, 11786, 19454, 22742, 23572, 38908, 45484, 47144, 77816, 90968, 94288, 155632, 181936, 807341, 1614682, 3229364, 6458728, 12917456]

約数ペア:

[(1, 12917456), (2, 6458728), (4, 3229364), (8, 1614682), (16, 807341), (71, 181936), (83, 155632), (137, 94288), (142, 90968), (166, 77816), (274, 47144), (284, 45484), (332, 38908), (548, 23572), (568, 22742), (664, 19454), (1096, 11786), (1136, 11371), (1328, 9727), (2192, 5893)]