28098325

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 36247680

約数和(自身を除く): 8149355

約数列:

[1, 5, 25, 41, 79, 205, 347, 395, 1025, 1735, 1975, 3239, 8675, 14227, 16195, 27413, 71135, 80975, 137065, 355675, 685325, 1123933, 5619665, 28098325]

約数ペア:

[(1, 28098325), (5, 5619665), (25, 1123933), (41, 685325), (79, 355675), (205, 137065), (347, 80975), (395, 71135), (1025, 27413), (1735, 16195), (1975, 14227), (3239, 8675)]