1947638898

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 4782240000

約数和(自身を除く): 2834601102

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 149, 153, 174, 261, 298, 306, 447, 459, 491, 493, 522, 783, 894, 918, 982, 986, 1341, 1473, 1479, 1566, 2533, 2682, 2946, 2958, 4023, 4321, 4419, 4437, 5066, 7599, 8046, 8347, 8642, 8838, 8874, 12963, 13257, 13311, 14239, 15198, 16694, 22797, 25041, 25926, 26514, 26622, 28478, 38889, 42717, 45594, 50082, 68391, 73159, 73457, 75123, 77778, 85434, 116667, 128151, 136782, 146318, 146914, 150246, 219477, 220371, 225369, 233334, 242063, 256302, 384453, 438954, 440742, 450738, 484126, 658431, 661113, 726189, 768906, 1243703, 1316862, 1322226, 1452378, 1975293, 1983339, 2121611, 2178567, 2487406, 3731109, 3950586, 3966678, 4243222, 4357134, 6364833, 6535701, 7462218, 11193327, 12729666, 13071402, 19094499, 22386654, 33579981, 36067387, 38188998, 57283497, 67159962, 72134774, 108202161, 114566994, 216404322, 324606483, 649212966, 973819449, 1947638898]

約数ペア:

[(1, 1947638898), (2, 973819449), (3, 649212966), (6, 324606483), (9, 216404322), (17, 114566994), (18, 108202161), (27, 72134774), (29, 67159962), (34, 57283497), (51, 38188998), (54, 36067387), (58, 33579981), (87, 22386654), (102, 19094499), (149, 13071402), (153, 12729666), (174, 11193327), (261, 7462218), (298, 6535701), (306, 6364833), (447, 4357134), (459, 4243222), (491, 3966678), (493, 3950586), (522, 3731109), (783, 2487406), (894, 2178567), (918, 2121611), (982, 1983339), (986, 1975293), (1341, 1452378), (1473, 1322226), (1479, 1316862), (1566, 1243703), (2533, 768906), (2682, 726189), (2946, 661113), (2958, 658431), (4023, 484126), (4321, 450738), (4419, 440742), (4437, 438954), (5066, 384453), (7599, 256302), (8046, 242063), (8347, 233334), (8642, 225369), (8838, 220371), (8874, 219477), (12963, 150246), (13257, 146914), (13311, 146318), (14239, 136782), (15198, 128151), (16694, 116667), (22797, 85434), (25041, 77778), (25926, 75123), (26514, 73457), (26622, 73159), (28478, 68391), (38889, 50082), (42717, 45594)]