664606712

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:877

約数の個数: 128

約数和(自身を含む): 1649894400

約数和(自身を除く): 985287688

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 61, 77, 88, 92, 122, 154, 161, 184, 244, 253, 308, 322, 427, 488, 506, 616, 644, 671, 769, 854, 1012, 1288, 1342, 1403, 1538, 1708, 1771, 2024, 2684, 2806, 3076, 3416, 3542, 4697, 5368, 5383, 5612, 6152, 7084, 8459, 9394, 9821, 10766, 11224, 14168, 15433, 16918, 17687, 18788, 19642, 21532, 30866, 33836, 35374, 37576, 39284, 43064, 46909, 59213, 61732, 67672, 70748, 78568, 93818, 108031, 118426, 123464, 123809, 141496, 187636, 194557, 216062, 236852, 247618, 328363, 375272, 389114, 432124, 473704, 495236, 515999, 656726, 778228, 864248, 990472, 1031998, 1078907, 1313452, 1361899, 1556456, 2063996, 2157814, 2626904, 2723798, 3611993, 4127992, 4315628, 5447596, 7223986, 7552349, 8631256, 10895192, 11867977, 14447972, 15104698, 23735954, 28895944, 30209396, 47471908, 60418792, 83075839, 94943816, 166151678, 332303356, 664606712]

約数ペア:

[(1, 664606712), (2, 332303356), (4, 166151678), (7, 94943816), (8, 83075839), (11, 60418792), (14, 47471908), (22, 30209396), (23, 28895944), (28, 23735954), (44, 15104698), (46, 14447972), (56, 11867977), (61, 10895192), (77, 8631256), (88, 7552349), (92, 7223986), (122, 5447596), (154, 4315628), (161, 4127992), (184, 3611993), (244, 2723798), (253, 2626904), (308, 2157814), (322, 2063996), (427, 1556456), (488, 1361899), (506, 1313452), (616, 1078907), (644, 1031998), (671, 990472), (769, 864248), (854, 778228), (1012, 656726), (1288, 515999), (1342, 495236), (1403, 473704), (1538, 432124), (1708, 389114), (1771, 375272), (2024, 328363), (2684, 247618), (2806, 236852), (3076, 216062), (3416, 194557), (3542, 187636), (4697, 141496), (5368, 123809), (5383, 123464), (5612, 118426), (6152, 108031), (7084, 93818), (8459, 78568), (9394, 70748), (9821, 67672), (10766, 61732), (11224, 59213), (14168, 46909), (15433, 43064), (16918, 39284), (17687, 37576), (18788, 35374), (19642, 33836), (21532, 30866)]