128452212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509731}}^1$

素因数の和:509748

約数の個数: 36

約数和(自身を含む): 371084896

約数和(自身を除く): 242632684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509731, 1019462, 1529193, 2038924, 3058386, 3568117, 4587579, 6116772, 7136234, 9175158, 10704351, 14272468, 18350316, 21408702, 32113053, 42817404, 64226106, 128452212]

約数ペア:

[(1, 128452212), (2, 64226106), (3, 42817404), (4, 32113053), (6, 21408702), (7, 18350316), (9, 14272468), (12, 10704351), (14, 9175158), (18, 7136234), (21, 6116772), (28, 4587579), (36, 3568117), (42, 3058386), (63, 2038924), (84, 1529193), (126, 1019462), (252, 509731)]