158520395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 216789696

約数和(自身を除く): 58269301

約数列:

[1, 5, 11, 37, 55, 61, 185, 305, 407, 671, 1277, 2035, 2257, 3355, 6385, 11285, 14047, 24827, 47249, 70235, 77897, 124135, 236245, 389485, 519739, 856867, 2598695, 2882189, 4284335, 14410945, 31704079, 158520395]

約数ペア:

[(1, 158520395), (5, 31704079), (11, 14410945), (37, 4284335), (55, 2882189), (61, 2598695), (185, 856867), (305, 519739), (407, 389485), (671, 236245), (1277, 124135), (2035, 77897), (2257, 70235), (3355, 47249), (6385, 24827), (11285, 14047)]