221534735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 300091392

約数和(自身を除く): 78556657

約数列:

[1, 5, 17, 23, 47, 85, 115, 235, 391, 799, 1081, 1955, 2411, 3995, 5405, 12055, 18377, 40987, 55453, 91885, 113317, 204935, 277265, 566585, 942701, 1926389, 2606291, 4713505, 9631945, 13031455, 44306947, 221534735]

約数ペア:

[(1, 221534735), (5, 44306947), (17, 13031455), (23, 9631945), (47, 4713505), (85, 2606291), (115, 1926389), (235, 942701), (391, 566585), (799, 277265), (1081, 204935), (1955, 113317), (2411, 91885), (3995, 55453), (5405, 40987), (12055, 18377)]