221824344

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 660602880

約数和(自身を除く): 438778536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 191, 217, 223, 248, 372, 382, 434, 446, 573, 651, 669, 744, 764, 868, 892, 1146, 1302, 1337, 1338, 1528, 1561, 1736, 1784, 2292, 2604, 2674, 2676, 3122, 4011, 4584, 4683, 5208, 5348, 5352, 5921, 6244, 6913, 8022, 9366, 10696, 11842, 12488, 13826, 16044, 17763, 18732, 20739, 23684, 27652, 32088, 35526, 37464, 41447, 41478, 42593, 47368, 48391, 55304, 71052, 82894, 82956, 85186, 96782, 124341, 127779, 142104, 145173, 165788, 165912, 170372, 193564, 248682, 255558, 290346, 298151, 331576, 340744, 387128, 497364, 511116, 580692, 596302, 894453, 994728, 1022232, 1161384, 1192604, 1320383, 1788906, 2385208, 2640766, 3577812, 3961149, 5281532, 7155624, 7922298, 9242681, 10563064, 15844596, 18485362, 27728043, 31689192, 36970724, 55456086, 73941448, 110912172, 221824344]

約数ペア:

[(1, 221824344), (2, 110912172), (3, 73941448), (4, 55456086), (6, 36970724), (7, 31689192), (8, 27728043), (12, 18485362), (14, 15844596), (21, 10563064), (24, 9242681), (28, 7922298), (31, 7155624), (42, 5281532), (56, 3961149), (62, 3577812), (84, 2640766), (93, 2385208), (124, 1788906), (168, 1320383), (186, 1192604), (191, 1161384), (217, 1022232), (223, 994728), (248, 894453), (372, 596302), (382, 580692), (434, 511116), (446, 497364), (573, 387128), (651, 340744), (669, 331576), (744, 298151), (764, 290346), (868, 255558), (892, 248682), (1146, 193564), (1302, 170372), (1337, 165912), (1338, 165788), (1528, 145173), (1561, 142104), (1736, 127779), (1784, 124341), (2292, 96782), (2604, 85186), (2674, 82956), (2676, 82894), (3122, 71052), (4011, 55304), (4584, 48391), (4683, 47368), (5208, 42593), (5348, 41478), (5352, 41447), (5921, 37464), (6244, 35526), (6913, 32088), (8022, 27652), (9366, 23684), (10696, 20739), (11842, 18732), (12488, 17763), (13826, 16044)]