212491330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2969}}^1$

素因数の和:3414

約数の個数: 32

約数和(自身を含む): 406082160

約数和(自身を除く): 193590830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421, 842, 2105, 2969, 4210, 5938, 7157, 14314, 14845, 29690, 35785, 50473, 71570, 100946, 252365, 504730, 1249949, 2499898, 6249745, 12499490, 21249133, 42498266, 106245665, 212491330]

約数ペア:

[(1, 212491330), (2, 106245665), (5, 42498266), (10, 21249133), (17, 12499490), (34, 6249745), (85, 2499898), (170, 1249949), (421, 504730), (842, 252365), (2105, 100946), (2969, 71570), (4210, 50473), (5938, 35785), (7157, 29690), (14314, 14845)]