685804912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{25169}}^1$

素因数の和:25321

約数の個数: 40

約数和(自身を含む): 1441938960

約数和(自身を除く): 756134048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 1048, 1703, 2096, 3406, 6812, 13624, 25169, 27248, 50338, 100676, 201352, 327197, 402704, 654394, 1308788, 2617576, 3297139, 5235152, 6594278, 13188556, 26377112, 42862807, 52754224, 85725614, 171451228, 342902456, 685804912]

約数ペア:

[(1, 685804912), (2, 342902456), (4, 171451228), (8, 85725614), (13, 52754224), (16, 42862807), (26, 26377112), (52, 13188556), (104, 6594278), (131, 5235152), (208, 3297139), (262, 2617576), (524, 1308788), (1048, 654394), (1703, 402704), (2096, 327197), (3406, 201352), (6812, 100676), (13624, 50338), (25169, 27248)]