28600715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 43164576

約数和(自身を除く): 14563861

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 169, 181, 187, 221, 715, 845, 905, 935, 1105, 1859, 1991, 2353, 2431, 2873, 3077, 9295, 9955, 11765, 12155, 14365, 15385, 25883, 30589, 31603, 33847, 40001, 129415, 152945, 158015, 169235, 200005, 336479, 440011, 520013, 1682395, 2200055, 2600065, 5720143, 28600715]

約数ペア:

[(1, 28600715), (5, 5720143), (11, 2600065), (13, 2200055), (17, 1682395), (55, 520013), (65, 440011), (85, 336479), (143, 200005), (169, 169235), (181, 158015), (187, 152945), (221, 129415), (715, 40001), (845, 33847), (905, 31603), (935, 30589), (1105, 25883), (1859, 15385), (1991, 14365), (2353, 12155), (2431, 11765), (2873, 9955), (3077, 9295)]