28783925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 37658304

約数和(自身を除く): 8874379

約数列:

[1, 5, 23, 25, 113, 115, 443, 565, 575, 2215, 2599, 2825, 10189, 11075, 12995, 50059, 50945, 64975, 250295, 254725, 1151357, 1251475, 5756785, 28783925]

約数ペア:

[(1, 28783925), (5, 5756785), (23, 1251475), (25, 1151357), (113, 254725), (115, 250295), (443, 64975), (565, 50945), (575, 50059), (2215, 12995), (2599, 11075), (2825, 10189)]