128221486

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{2789}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 194987520

約数和(自身を除く): 66766034

約数列:

[1, 2, 127, 181, 254, 362, 2789, 5578, 22987, 45974, 354203, 504809, 708406, 1009618, 64110743, 128221486]

約数ペア:

[(1, 128221486), (2, 64110743), (127, 1009618), (181, 708406), (254, 504809), (362, 354203), (2789, 45974), (5578, 22987)]