28795975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 38716272

約数和(自身を除く): 9920297

約数列:

[1, 5, 13, 25, 65, 251, 325, 353, 1255, 1765, 3263, 4589, 6275, 8825, 16315, 22945, 81575, 88603, 114725, 443015, 1151839, 2215075, 5759195, 28795975]

約数ペア:

[(1, 28795975), (5, 5759195), (13, 2215075), (25, 1151839), (65, 443015), (251, 114725), (325, 88603), (353, 81575), (1255, 22945), (1765, 16315), (3263, 8825), (4589, 6275)]