81435266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 137712960

約数和(自身を除く): 56277694

約数列:

[1, 2, 11, 22, 41, 82, 137, 274, 451, 659, 902, 1318, 1507, 3014, 5617, 7249, 11234, 14498, 27019, 54038, 61787, 90283, 123574, 180566, 297209, 594418, 993113, 1986226, 3701603, 7403206, 40717633, 81435266]

約数ペア:

[(1, 81435266), (2, 40717633), (11, 7403206), (22, 3701603), (41, 1986226), (82, 993113), (137, 594418), (274, 297209), (451, 180566), (659, 123574), (902, 90283), (1318, 61787), (1507, 54038), (3014, 27019), (5617, 14498), (7249, 11234)]