281386752

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 791175168

約数和(自身を除く): 509788416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 53, 62, 64, 93, 96, 106, 124, 128, 159, 186, 192, 212, 223, 248, 256, 318, 372, 384, 424, 446, 496, 636, 669, 744, 768, 848, 892, 992, 1272, 1338, 1488, 1643, 1696, 1784, 1984, 2544, 2676, 2976, 3286, 3392, 3568, 3968, 4929, 5088, 5352, 5952, 6572, 6784, 6913, 7136, 7936, 9858, 10176, 10704, 11819, 11904, 13144, 13568, 13826, 14272, 19716, 20352, 20739, 21408, 23638, 23808, 26288, 27652, 28544, 35457, 39432, 40704, 41478, 42816, 47276, 52576, 55304, 57088, 70914, 78864, 82956, 85632, 94552, 105152, 110608, 141828, 157728, 165912, 171264, 189104, 210304, 221216, 283656, 315456, 331824, 366389, 378208, 420608, 442432, 567312, 630912, 663648, 732778, 756416, 884864, 1099167, 1134624, 1261824, 1327296, 1465556, 1512832, 1769728, 2198334, 2269248, 2654592, 2931112, 3025664, 4396668, 4538496, 5309184, 5862224, 8793336, 9076992, 11724448, 17586672, 23448896, 35173344, 46897792, 70346688, 93795584, 140693376, 281386752]

約数ペア:

[(1, 281386752), (2, 140693376), (3, 93795584), (4, 70346688), (6, 46897792), (8, 35173344), (12, 23448896), (16, 17586672), (24, 11724448), (31, 9076992), (32, 8793336), (48, 5862224), (53, 5309184), (62, 4538496), (64, 4396668), (93, 3025664), (96, 2931112), (106, 2654592), (124, 2269248), (128, 2198334), (159, 1769728), (186, 1512832), (192, 1465556), (212, 1327296), (223, 1261824), (248, 1134624), (256, 1099167), (318, 884864), (372, 756416), (384, 732778), (424, 663648), (446, 630912), (496, 567312), (636, 442432), (669, 420608), (744, 378208), (768, 366389), (848, 331824), (892, 315456), (992, 283656), (1272, 221216), (1338, 210304), (1488, 189104), (1643, 171264), (1696, 165912), (1784, 157728), (1984, 141828), (2544, 110608), (2676, 105152), (2976, 94552), (3286, 85632), (3392, 82956), (3568, 78864), (3968, 70914), (4929, 57088), (5088, 55304), (5352, 52576), (5952, 47276), (6572, 42816), (6784, 41478), (6913, 40704), (7136, 39432), (7936, 35457), (9858, 28544), (10176, 27652), (10704, 26288), (11819, 23808), (11904, 23638), (13144, 21408), (13568, 20739), (13826, 20352), (14272, 19716)]