199972445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{44389}}^1$

素因数の和:44464

約数の個数: 16

約数和(自身を含む): 258882480

約数和(自身を除く): 58910035

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 44389, 221945, 754613, 2352617, 3773065, 11763085, 39994489, 199972445]

約数ペア:

[(1, 199972445), (5, 39994489), (17, 11763085), (53, 3773065), (85, 2352617), (265, 754613), (901, 221945), (4505, 44389)]