87899654

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 140174496

約数和(自身を除く): 52274842

約数列:

[1, 2, 41, 43, 82, 86, 97, 194, 257, 514, 1763, 3526, 3977, 4171, 7954, 8342, 10537, 11051, 21074, 22102, 24929, 49858, 171011, 342022, 453091, 906182, 1022089, 1071947, 2044178, 2143894, 43949827, 87899654]

約数ペア:

[(1, 87899654), (2, 43949827), (41, 2143894), (43, 2044178), (82, 1071947), (86, 1022089), (97, 906182), (194, 453091), (257, 342022), (514, 171011), (1763, 49858), (3526, 24929), (3977, 22102), (4171, 21074), (7954, 11051), (8342, 10537)]