199401238

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 333573120

約数和(自身を除く): 134171882

約数列:

[1, 2, 19, 31, 38, 59, 62, 118, 151, 302, 361, 589, 722, 1121, 1178, 1829, 2242, 2869, 3658, 4681, 5738, 8909, 9362, 11191, 17818, 21299, 22382, 34751, 42598, 54511, 69502, 88939, 109022, 169271, 177878, 276179, 338542, 552358, 660269, 1320538, 1689841, 3216149, 3379682, 5247401, 6432298, 10494802, 99700619, 199401238]

約数ペア:

[(1, 199401238), (2, 99700619), (19, 10494802), (31, 6432298), (38, 5247401), (59, 3379682), (62, 3216149), (118, 1689841), (151, 1320538), (302, 660269), (361, 552358), (589, 338542), (722, 276179), (1121, 177878), (1178, 169271), (1829, 109022), (2242, 88939), (2869, 69502), (3658, 54511), (4681, 42598), (5738, 34751), (8909, 22382), (9362, 21299), (11191, 17818)]