208871408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4943}}^1$

素因数の和:5109

約数の個数: 40

約数和(自身を含む): 429139200

約数和(自身を除く): 220267792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2224, 2641, 4943, 5282, 9886, 10564, 19772, 21128, 39544, 42256, 79088, 93917, 187834, 375668, 687077, 751336, 1374154, 1502672, 2748308, 5496616, 10993232, 13054463, 26108926, 52217852, 104435704, 208871408]

約数ペア:

[(1, 208871408), (2, 104435704), (4, 52217852), (8, 26108926), (16, 13054463), (19, 10993232), (38, 5496616), (76, 2748308), (139, 1502672), (152, 1374154), (278, 751336), (304, 687077), (556, 375668), (1112, 187834), (2224, 93917), (2641, 79088), (4943, 42256), (5282, 39544), (9886, 21128), (10564, 19772)]