257334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 642816

約数和(自身を除く): 385482

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 557, 1114, 1671, 3342, 3899, 6127, 7798, 11697, 12254, 18381, 23394, 36762, 42889, 85778, 128667, 257334]

約数ペア:

[(1, 257334), (2, 128667), (3, 85778), (6, 42889), (7, 36762), (11, 23394), (14, 18381), (21, 12254), (22, 11697), (33, 7798), (42, 6127), (66, 3899), (77, 3342), (154, 1671), (231, 1114), (462, 557)]