85719425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 119731920

約数和(自身を除く): 34012495

約数列:

[1, 5, 11, 25, 43, 55, 121, 215, 275, 473, 605, 659, 1075, 2365, 3025, 3295, 5203, 7249, 11825, 16475, 26015, 28337, 36245, 79739, 130075, 141685, 181225, 311707, 398695, 708425, 1558535, 1993475, 3428777, 7792675, 17143885, 85719425]

約数ペア:

[(1, 85719425), (5, 17143885), (11, 7792675), (25, 3428777), (43, 1993475), (55, 1558535), (121, 708425), (215, 398695), (275, 311707), (473, 181225), (605, 141685), (659, 130075), (1075, 79739), (2365, 36245), (3025, 28337), (3295, 26015), (5203, 16475), (7249, 11825)]