81844222

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 138592080

約数和(自身を除く): 56747858

約数列:

[1, 2, 17, 34, 37, 43, 74, 86, 89, 178, 289, 578, 629, 731, 1258, 1462, 1513, 1591, 3026, 3182, 3293, 3827, 6586, 7654, 10693, 12427, 21386, 24854, 25721, 27047, 51442, 54094, 55981, 65059, 111962, 130118, 141599, 283198, 459799, 919598, 951677, 1106003, 1903354, 2212006, 2407183, 4814366, 40922111, 81844222]

約数ペア:

[(1, 81844222), (2, 40922111), (17, 4814366), (34, 2407183), (37, 2212006), (43, 1903354), (74, 1106003), (86, 951677), (89, 919598), (178, 459799), (289, 283198), (578, 141599), (629, 130118), (731, 111962), (1258, 65059), (1462, 55981), (1513, 54094), (1591, 51442), (3026, 27047), (3182, 25721), (3293, 24854), (3827, 21386), (6586, 12427), (7654, 10693)]