221233872

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 642816000

約数和(自身を除く): 421582128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 53, 57, 69, 76, 92, 106, 114, 138, 152, 159, 184, 199, 212, 228, 276, 304, 318, 368, 398, 424, 437, 456, 552, 597, 636, 796, 848, 874, 912, 1007, 1104, 1194, 1219, 1272, 1311, 1592, 1748, 2014, 2388, 2438, 2544, 2622, 3021, 3184, 3496, 3657, 3781, 4028, 4577, 4776, 4876, 5244, 6042, 6992, 7314, 7562, 8056, 9154, 9552, 9752, 10488, 10547, 11343, 12084, 13731, 14628, 15124, 16112, 18308, 19504, 20976, 21094, 22686, 23161, 24168, 27462, 29256, 30248, 31641, 36616, 42188, 45372, 46322, 48336, 54924, 58512, 60496, 63282, 69483, 73232, 84376, 86963, 90744, 92644, 109848, 126564, 138966, 168752, 173926, 181488, 185288, 200393, 219696, 242581, 253128, 260889, 277932, 347852, 370576, 400786, 485162, 506256, 521778, 555864, 601179, 695704, 727743, 801572, 970324, 1043556, 1111728, 1202358, 1391408, 1455486, 1603144, 1940648, 2087112, 2404716, 2910972, 3206288, 3881296, 4174224, 4609039, 4809432, 5821944, 9218078, 9618864, 11643888, 13827117, 18436156, 27654234, 36872312, 55308468, 73744624, 110616936, 221233872]

約数ペア:

[(1, 221233872), (2, 110616936), (3, 73744624), (4, 55308468), (6, 36872312), (8, 27654234), (12, 18436156), (16, 13827117), (19, 11643888), (23, 9618864), (24, 9218078), (38, 5821944), (46, 4809432), (48, 4609039), (53, 4174224), (57, 3881296), (69, 3206288), (76, 2910972), (92, 2404716), (106, 2087112), (114, 1940648), (138, 1603144), (152, 1455486), (159, 1391408), (184, 1202358), (199, 1111728), (212, 1043556), (228, 970324), (276, 801572), (304, 727743), (318, 695704), (368, 601179), (398, 555864), (424, 521778), (437, 506256), (456, 485162), (552, 400786), (597, 370576), (636, 347852), (796, 277932), (848, 260889), (874, 253128), (912, 242581), (1007, 219696), (1104, 200393), (1194, 185288), (1219, 181488), (1272, 173926), (1311, 168752), (1592, 138966), (1748, 126564), (2014, 109848), (2388, 92644), (2438, 90744), (2544, 86963), (2622, 84376), (3021, 73232), (3184, 69483), (3496, 63282), (3657, 60496), (3781, 58512), (4028, 54924), (4577, 48336), (4776, 46322), (4876, 45372), (5244, 42188), (6042, 36616), (6992, 31641), (7314, 30248), (7562, 29256), (8056, 27462), (9154, 24168), (9552, 23161), (9752, 22686), (10488, 21094), (10547, 20976), (11343, 19504), (12084, 18308), (13731, 16112), (14628, 15124)]