208673984

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:633

約数の個数: 56

約数和(自身を含む): 426403008

約数和(自身を除く): 217729024

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 173, 188, 346, 376, 401, 692, 752, 802, 1384, 1504, 1604, 2768, 3008, 3208, 5536, 6416, 8131, 11072, 12832, 16262, 18847, 25664, 32524, 37694, 65048, 69373, 75388, 130096, 138746, 150776, 260192, 277492, 301552, 520384, 554984, 603104, 1109968, 1206208, 2219936, 3260531, 4439872, 6521062, 13042124, 26084248, 52168496, 104336992, 208673984]

約数ペア:

[(1, 208673984), (2, 104336992), (4, 52168496), (8, 26084248), (16, 13042124), (32, 6521062), (47, 4439872), (64, 3260531), (94, 2219936), (173, 1206208), (188, 1109968), (346, 603104), (376, 554984), (401, 520384), (692, 301552), (752, 277492), (802, 260192), (1384, 150776), (1504, 138746), (1604, 130096), (2768, 75388), (3008, 69373), (3208, 65048), (5536, 37694), (6416, 32524), (8131, 25664), (11072, 18847), (12832, 16262)]