644770816

素因数分解:

$2^{10}\times {\mathrm{47}}^1\times {\mathrm{13397}}^1$

素因数の和:13464

約数の個数: 44

約数和(自身を含む): 1316433888

約数和(自身を除く): 671663072

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 1024, 1504, 3008, 6016, 12032, 13397, 24064, 26794, 48128, 53588, 107176, 214352, 428704, 629659, 857408, 1259318, 1714816, 2518636, 3429632, 5037272, 6859264, 10074544, 13718528, 20149088, 40298176, 80596352, 161192704, 322385408, 644770816]

約数ペア:

[(1, 644770816), (2, 322385408), (4, 161192704), (8, 80596352), (16, 40298176), (32, 20149088), (47, 13718528), (64, 10074544), (94, 6859264), (128, 5037272), (188, 3429632), (256, 2518636), (376, 1714816), (512, 1259318), (752, 857408), (1024, 629659), (1504, 428704), (3008, 214352), (6016, 107176), (12032, 53588), (13397, 48128), (24064, 26794)]