209271204

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 108

約数和(自身を含む): 572539968

約数和(自身を除く): 363268764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 263, 276, 279, 372, 414, 526, 558, 713, 789, 828, 961, 1052, 1116, 1426, 1578, 1922, 2139, 2367, 2852, 2883, 3156, 3844, 4278, 4734, 5766, 6049, 6417, 8153, 8556, 8649, 9468, 11532, 12098, 12834, 16306, 17298, 18147, 22103, 24196, 24459, 25668, 32612, 34596, 36294, 44206, 48918, 54441, 66309, 72588, 73377, 88412, 97836, 108882, 132618, 146754, 187519, 198927, 217764, 252743, 265236, 293508, 375038, 397854, 505486, 562557, 750076, 758229, 795708, 1010972, 1125114, 1516458, 1687671, 2250228, 2274687, 3032916, 3375342, 4549374, 5813089, 6750684, 9098748, 11626178, 17439267, 23252356, 34878534, 52317801, 69757068, 104635602, 209271204]

約数ペア:

[(1, 209271204), (2, 104635602), (3, 69757068), (4, 52317801), (6, 34878534), (9, 23252356), (12, 17439267), (18, 11626178), (23, 9098748), (31, 6750684), (36, 5813089), (46, 4549374), (62, 3375342), (69, 3032916), (92, 2274687), (93, 2250228), (124, 1687671), (138, 1516458), (186, 1125114), (207, 1010972), (263, 795708), (276, 758229), (279, 750076), (372, 562557), (414, 505486), (526, 397854), (558, 375038), (713, 293508), (789, 265236), (828, 252743), (961, 217764), (1052, 198927), (1116, 187519), (1426, 146754), (1578, 132618), (1922, 108882), (2139, 97836), (2367, 88412), (2852, 73377), (2883, 72588), (3156, 66309), (3844, 54441), (4278, 48918), (4734, 44206), (5766, 36294), (6049, 34596), (6417, 32612), (8153, 25668), (8556, 24459), (8649, 24196), (9468, 22103), (11532, 18147), (12098, 17298), (12834, 16306)]