87288355

素因数分解:

$5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 133506864

約数和(自身を除く): 46218509

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 661, 1715, 2401, 2695, 3305, 3773, 4627, 7271, 12005, 18865, 23135, 26411, 32389, 36355, 50897, 132055, 161945, 226723, 254485, 356279, 1133615, 1587061, 1781395, 2493953, 7935305, 12469765, 17457671, 87288355]

約数ペア:

[(1, 87288355), (5, 17457671), (7, 12469765), (11, 7935305), (35, 2493953), (49, 1781395), (55, 1587061), (77, 1133615), (245, 356279), (343, 254485), (385, 226723), (539, 161945), (661, 132055), (1715, 50897), (2401, 36355), (2695, 32389), (3305, 26411), (3773, 23135), (4627, 18865), (7271, 12005)]