68943568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{253469}}^1$

素因数の和:253494

約数の個数: 20

約数和(自身を含む): 141436260

約数和(自身を除く): 72492692

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 253469, 506938, 1013876, 2027752, 4055504, 4308973, 8617946, 17235892, 34471784, 68943568]

約数ペア:

[(1, 68943568), (2, 34471784), (4, 17235892), (8, 8617946), (16, 4308973), (17, 4055504), (34, 2027752), (68, 1013876), (136, 506938), (272, 253469)]