219429730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1693}}^1$

素因数の和:2710

約数の個数: 32

約数和(自身を含む): 426034224

約数和(自身を除く): 206604494

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 997, 1693, 1994, 3386, 4985, 8465, 9970, 12961, 16930, 22009, 25922, 44018, 64805, 110045, 129610, 220090, 1687921, 3375842, 8439605, 16879210, 21942973, 43885946, 109714865, 219429730]

約数ペア:

[(1, 219429730), (2, 109714865), (5, 43885946), (10, 21942973), (13, 16879210), (26, 8439605), (65, 3375842), (130, 1687921), (997, 220090), (1693, 129610), (1994, 110045), (3386, 64805), (4985, 44018), (8465, 25922), (9970, 22009), (12961, 16930)]