87100775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 122135040

約数和(自身を除く): 35034265

約数列:

[1, 5, 17, 25, 29, 37, 85, 145, 185, 191, 425, 493, 629, 725, 925, 955, 1073, 2465, 3145, 3247, 4775, 5365, 5539, 7067, 12325, 15725, 16235, 18241, 26825, 27695, 35335, 81175, 91205, 94163, 120139, 138475, 176675, 204943, 456025, 470815, 600695, 1024715, 2354075, 3003475, 3484031, 5123575, 17420155, 87100775]

約数ペア:

[(1, 87100775), (5, 17420155), (17, 5123575), (25, 3484031), (29, 3003475), (37, 2354075), (85, 1024715), (145, 600695), (185, 470815), (191, 456025), (425, 204943), (493, 176675), (629, 138475), (725, 120139), (925, 94163), (955, 91205), (1073, 81175), (2465, 35335), (3145, 27695), (3247, 26825), (4775, 18241), (5365, 16235), (5539, 15725), (7067, 12325)]