28567175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 45205440

約数和(自身を除く): 16638265

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 145, 175, 203, 325, 377, 433, 455, 725, 1015, 1885, 2165, 2275, 2639, 3031, 5075, 5629, 9425, 10825, 12557, 13195, 15155, 28145, 39403, 62785, 65975, 75775, 87899, 140725, 163241, 197015, 313925, 439495, 816205, 985075, 1142687, 2197475, 4081025, 5713435, 28567175]

約数ペア:

[(1, 28567175), (5, 5713435), (7, 4081025), (13, 2197475), (25, 1142687), (29, 985075), (35, 816205), (65, 439495), (91, 313925), (145, 197015), (175, 163241), (203, 140725), (325, 87899), (377, 75775), (433, 65975), (455, 62785), (725, 39403), (1015, 28145), (1885, 15155), (2165, 13195), (2275, 12557), (2639, 10825), (3031, 9425), (5075, 5629)]