211705312

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72701}}^1$

素因数の和:72731

約数の個数: 48

約数和(自身を含む): 512985312

約数和(自身を除く): 301280000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 72701, 145402, 290804, 508907, 581608, 945113, 1017814, 1163216, 1890226, 2035628, 2326432, 3780452, 4071256, 6615791, 7560904, 8142512, 13231582, 15121808, 16285024, 26463164, 30243616, 52926328, 105852656, 211705312]

約数ペア:

[(1, 211705312), (2, 105852656), (4, 52926328), (7, 30243616), (8, 26463164), (13, 16285024), (14, 15121808), (16, 13231582), (26, 8142512), (28, 7560904), (32, 6615791), (52, 4071256), (56, 3780452), (91, 2326432), (104, 2035628), (112, 1890226), (182, 1163216), (208, 1017814), (224, 945113), (364, 581608), (416, 508907), (728, 290804), (1456, 145402), (2912, 72701)]