251991312

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 723763200

約数和(自身を除く): 471771888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 37, 46, 48, 62, 69, 74, 92, 93, 111, 124, 138, 148, 184, 186, 199, 222, 248, 276, 296, 368, 372, 398, 444, 496, 552, 592, 597, 713, 744, 796, 851, 888, 1104, 1147, 1194, 1426, 1488, 1592, 1702, 1776, 2139, 2294, 2388, 2553, 2852, 3184, 3404, 3441, 4278, 4577, 4588, 4776, 5106, 5704, 6169, 6808, 6882, 7363, 8556, 9154, 9176, 9552, 10212, 11408, 12338, 13616, 13731, 13764, 14726, 17112, 18308, 18352, 18507, 20424, 22089, 24676, 26381, 27462, 27528, 29452, 34224, 36616, 37014, 40848, 44178, 49352, 52762, 54924, 55056, 58904, 73232, 74028, 79143, 88356, 98704, 105524, 109848, 117808, 141887, 148056, 158286, 169349, 176712, 211048, 219696, 228253, 283774, 296112, 316572, 338698, 353424, 422096, 425661, 456506, 508047, 567548, 633144, 677396, 684759, 851322, 913012, 1016094, 1135096, 1266288, 1354792, 1369518, 1702644, 1826024, 2032188, 2270192, 2709584, 2739036, 3405288, 3652048, 4064376, 5249819, 5478072, 6810576, 8128752, 10499638, 10956144, 15749457, 20999276, 31498914, 41998552, 62997828, 83997104, 125995656, 251991312]

約数ペア:

[(1, 251991312), (2, 125995656), (3, 83997104), (4, 62997828), (6, 41998552), (8, 31498914), (12, 20999276), (16, 15749457), (23, 10956144), (24, 10499638), (31, 8128752), (37, 6810576), (46, 5478072), (48, 5249819), (62, 4064376), (69, 3652048), (74, 3405288), (92, 2739036), (93, 2709584), (111, 2270192), (124, 2032188), (138, 1826024), (148, 1702644), (184, 1369518), (186, 1354792), (199, 1266288), (222, 1135096), (248, 1016094), (276, 913012), (296, 851322), (368, 684759), (372, 677396), (398, 633144), (444, 567548), (496, 508047), (552, 456506), (592, 425661), (597, 422096), (713, 353424), (744, 338698), (796, 316572), (851, 296112), (888, 283774), (1104, 228253), (1147, 219696), (1194, 211048), (1426, 176712), (1488, 169349), (1592, 158286), (1702, 148056), (1776, 141887), (2139, 117808), (2294, 109848), (2388, 105524), (2553, 98704), (2852, 88356), (3184, 79143), (3404, 74028), (3441, 73232), (4278, 58904), (4577, 55056), (4588, 54924), (4776, 52762), (5106, 49352), (5704, 44178), (6169, 40848), (6808, 37014), (6882, 36616), (7363, 34224), (8556, 29452), (9154, 27528), (9176, 27462), (9552, 26381), (10212, 24676), (11408, 22089), (12338, 20424), (13616, 18507), (13731, 18352), (13764, 18308), (14726, 17112)]