216024487

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 50087513

約数列:

[1, 7, 23, 49, 139, 161, 197, 343, 973, 1127, 1379, 3197, 4531, 6811, 7889, 9653, 22379, 27383, 31717, 47677, 67571, 156653, 191681, 222019, 629809, 1096571, 1341767, 1554133, 4408663, 9392369, 30860641, 216024487]

約数ペア:

[(1, 216024487), (7, 30860641), (23, 9392369), (49, 4408663), (139, 1554133), (161, 1341767), (197, 1096571), (343, 629809), (973, 222019), (1127, 191681), (1379, 156653), (3197, 67571), (4531, 47677), (6811, 31717), (7889, 27383), (9653, 22379)]