81977230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3797}}^1$

素因数の和:3948

約数の個数: 32

約数和(自身を含む): 157510656

約数和(自身を除く): 75533426

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 635, 1270, 2159, 3797, 4318, 7594, 10795, 18985, 21590, 37970, 64549, 129098, 322745, 482219, 645490, 964438, 2411095, 4822190, 8197723, 16395446, 40988615, 81977230]

約数ペア:

[(1, 81977230), (2, 40988615), (5, 16395446), (10, 8197723), (17, 4822190), (34, 2411095), (85, 964438), (127, 645490), (170, 482219), (254, 322745), (635, 129098), (1270, 64549), (2159, 37970), (3797, 21590), (4318, 18985), (7594, 10795)]