256512848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{5021}}^1$

素因数の和:5163

約数の個数: 40

約数和(自身を含む): 518109696

約数和(自身を除く): 261596848

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 412, 496, 824, 1648, 3193, 5021, 6386, 10042, 12772, 20084, 25544, 40168, 51088, 80336, 155651, 311302, 517163, 622604, 1034326, 1245208, 2068652, 2490416, 4137304, 8274608, 16032053, 32064106, 64128212, 128256424, 256512848]

約数ペア:

[(1, 256512848), (2, 128256424), (4, 64128212), (8, 32064106), (16, 16032053), (31, 8274608), (62, 4137304), (103, 2490416), (124, 2068652), (206, 1245208), (248, 1034326), (412, 622604), (496, 517163), (824, 311302), (1648, 155651), (3193, 80336), (5021, 51088), (6386, 40168), (10042, 25544), (12772, 20084)]