681736624

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{6977}}^1$

素因数の和:7213

約数の個数: 40

約数和(自身を含む): 1370590848

約数和(自身を除く): 688854224

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 248, 394, 496, 788, 1576, 3152, 6107, 6977, 12214, 13954, 24428, 27908, 48856, 55816, 97712, 111632, 216287, 432574, 865148, 1374469, 1730296, 2748938, 3460592, 5497876, 10995752, 21991504, 42608539, 85217078, 170434156, 340868312, 681736624]

約数ペア:

[(1, 681736624), (2, 340868312), (4, 170434156), (8, 85217078), (16, 42608539), (31, 21991504), (62, 10995752), (124, 5497876), (197, 3460592), (248, 2748938), (394, 1730296), (496, 1374469), (788, 865148), (1576, 432574), (3152, 216287), (6107, 111632), (6977, 97712), (12214, 55816), (13954, 48856), (24428, 27908)]