212879728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{5171}}^1$

素因数の和:5293

約数の個数: 40

約数和(自身を含む): 430972416

約数和(自身を除く): 218092688

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 1328, 2573, 5146, 5171, 10292, 10342, 20584, 20684, 41168, 41368, 82736, 160301, 320602, 429193, 641204, 858386, 1282408, 1716772, 2564816, 3433544, 6867088, 13304983, 26609966, 53219932, 106439864, 212879728]

約数ペア:

[(1, 212879728), (2, 106439864), (4, 53219932), (8, 26609966), (16, 13304983), (31, 6867088), (62, 3433544), (83, 2564816), (124, 1716772), (166, 1282408), (248, 858386), (332, 641204), (496, 429193), (664, 320602), (1328, 160301), (2573, 82736), (5146, 41368), (5171, 41168), (10292, 20684), (10342, 20584)]