217609810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{6361}}^1$

素因数の和:6690

約数の個数: 32

約数和(自身を含む): 428747904

約数和(自身を除く): 211138094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 1555, 3110, 3421, 6361, 6842, 12722, 17105, 31805, 34210, 63610, 69971, 139942, 349855, 699710, 1978271, 3956542, 9891355, 19782710, 21760981, 43521962, 108804905, 217609810]

約数ペア:

[(1, 217609810), (2, 108804905), (5, 43521962), (10, 21760981), (11, 19782710), (22, 9891355), (55, 3956542), (110, 1978271), (311, 699710), (622, 349855), (1555, 139942), (3110, 69971), (3421, 63610), (6361, 34210), (6842, 31805), (12722, 17105)]