256472625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{40231}}^1$

素因数の和:40266

約数の個数: 32

約数和(自身を含む): 451885824

約数和(自身を除く): 195413199

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 40231, 120693, 201155, 603465, 683927, 1005775, 2051781, 3017325, 3419635, 5028875, 10258905, 15086625, 17098175, 51294525, 85490875, 256472625]

約数ペア:

[(1, 256472625), (3, 85490875), (5, 51294525), (15, 17098175), (17, 15086625), (25, 10258905), (51, 5028875), (75, 3419635), (85, 3017325), (125, 2051781), (255, 1005775), (375, 683927), (425, 603465), (1275, 201155), (2125, 120693), (6375, 40231)]