8715025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 12336016

約数和(自身を除く): 3620991

約数列:

[1, 5, 11, 25, 43, 55, 67, 121, 215, 275, 335, 473, 605, 737, 1075, 1675, 2365, 2881, 3025, 3685, 5203, 8107, 11825, 14405, 18425, 26015, 31691, 40535, 72025, 130075, 158455, 202675, 348601, 792275, 1743005, 8715025]

約数ペア:

[(1, 8715025), (5, 1743005), (11, 792275), (25, 348601), (43, 202675), (55, 158455), (67, 130075), (121, 72025), (215, 40535), (275, 31691), (335, 26015), (473, 18425), (605, 14405), (737, 11825), (1075, 8107), (1675, 5203), (2365, 3685), (2881, 3025)]