123668872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{991}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 244627200

約数和(自身を除く): 120958328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 821, 991, 1642, 1982, 3284, 3964, 6568, 7928, 15599, 18829, 31198, 37658, 62396, 75316, 124792, 150632, 813611, 1627222, 3254444, 6508888, 15458609, 30917218, 61834436, 123668872]

約数ペア:

[(1, 123668872), (2, 61834436), (4, 30917218), (8, 15458609), (19, 6508888), (38, 3254444), (76, 1627222), (152, 813611), (821, 150632), (991, 124792), (1642, 75316), (1982, 62396), (3284, 37658), (3964, 31198), (6568, 18829), (7928, 15599)]