1289164016

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{371303}}^1$

素因数の和:371349

約数の個数: 40

約数和(自身を含む): 2946668544

約数和(自身を除く): 1657504528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 371303, 742606, 1485212, 2599121, 2970424, 5198242, 5940848, 10396484, 11510393, 20792968, 23020786, 41585936, 46041572, 80572751, 92083144, 161145502, 184166288, 322291004, 644582008, 1289164016]

約数ペア:

[(1, 1289164016), (2, 644582008), (4, 322291004), (7, 184166288), (8, 161145502), (14, 92083144), (16, 80572751), (28, 46041572), (31, 41585936), (56, 23020786), (62, 20792968), (112, 11510393), (124, 10396484), (217, 5940848), (248, 5198242), (434, 2970424), (496, 2599121), (868, 1485212), (1736, 742606), (3472, 371303)]