639870147342

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{729511}}^1$

素因数の和:729998

約数の個数: 64

約数和(自身を含む): 1463692876800

約数和(自身を除く): 823822729458

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 439, 666, 878, 999, 1317, 1998, 2634, 3951, 7902, 11853, 16243, 23706, 32486, 48729, 97458, 146187, 292374, 438561, 729511, 877122, 1459022, 2188533, 4377066, 6565599, 13131198, 19696797, 26991907, 39393594, 53983814, 80975721, 161951442, 242927163, 320255329, 485854326, 640510658, 728781489, 960765987, 1457562978, 1921531974, 2882297961, 5764595922, 8646893883, 11849447173, 17293787766, 23698894346, 35548341519, 71096683038, 106645024557, 213290049114, 319935073671, 639870147342]

約数ペア:

[(1, 639870147342), (2, 319935073671), (3, 213290049114), (6, 106645024557), (9, 71096683038), (18, 35548341519), (27, 23698894346), (37, 17293787766), (54, 11849447173), (74, 8646893883), (111, 5764595922), (222, 2882297961), (333, 1921531974), (439, 1457562978), (666, 960765987), (878, 728781489), (999, 640510658), (1317, 485854326), (1998, 320255329), (2634, 242927163), (3951, 161951442), (7902, 80975721), (11853, 53983814), (16243, 39393594), (23706, 26991907), (32486, 19696797), (48729, 13131198), (97458, 6565599), (146187, 4377066), (292374, 2188533), (438561, 1459022), (729511, 877122)]