128420618

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{5167}}^1$

素因数の和:5246

約数の個数: 24

約数和(自身を含む): 209428032

約数和(自身を除く): 81007414

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 1462, 5167, 10334, 12427, 24854, 87839, 175678, 222181, 444362, 1493263, 2986526, 3777077, 7554154, 64210309, 128420618]

約数ペア:

[(1, 128420618), (2, 64210309), (17, 7554154), (34, 3777077), (43, 2986526), (86, 1493263), (289, 444362), (578, 222181), (731, 175678), (1462, 87839), (5167, 24854), (10334, 12427)]