128856925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7293

約数の個数: 24

約数和(自身を含む): 172131840

約数和(自身を除く): 43274915

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 7229, 17825, 36145, 166267, 180725, 224099, 831335, 1120495, 4156675, 5154277, 5602475, 25771385, 128856925]

約数ペア:

[(1, 128856925), (5, 25771385), (23, 5602475), (25, 5154277), (31, 4156675), (115, 1120495), (155, 831335), (575, 224099), (713, 180725), (775, 166267), (3565, 36145), (7229, 17825)]