209540526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{20507}}^1$

素因数の和:20656

約数の個数: 32

約数和(自身を含む): 454785408

約数和(自身を除く): 245244882

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 20507, 41014, 61521, 123042, 266591, 533182, 799773, 1599546, 2686417, 5372834, 8059251, 16118502, 34923421, 69846842, 104770263, 209540526]

約数ペア:

[(1, 209540526), (2, 104770263), (3, 69846842), (6, 34923421), (13, 16118502), (26, 8059251), (39, 5372834), (78, 2686417), (131, 1599546), (262, 799773), (393, 533182), (786, 266591), (1703, 123042), (3406, 61521), (5109, 41014), (10218, 20507)]