388784004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12821}}^1$

素因数の和:12873

約数の個数: 72

約数和(自身を含む): 1094280768

約数和(自身を除く): 705496764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 722, 798, 1083, 1444, 1596, 2166, 2527, 4332, 5054, 7581, 10108, 12821, 15162, 25642, 30324, 38463, 51284, 76926, 89747, 153852, 179494, 243599, 269241, 358988, 487198, 538482, 730797, 974396, 1076964, 1461594, 1705193, 2923188, 3410386, 4628381, 5115579, 6820772, 9256762, 10231158, 13885143, 18513524, 20462316, 27770286, 32398667, 55540572, 64797334, 97196001, 129594668, 194392002, 388784004]

約数ペア:

[(1, 388784004), (2, 194392002), (3, 129594668), (4, 97196001), (6, 64797334), (7, 55540572), (12, 32398667), (14, 27770286), (19, 20462316), (21, 18513524), (28, 13885143), (38, 10231158), (42, 9256762), (57, 6820772), (76, 5115579), (84, 4628381), (114, 3410386), (133, 2923188), (228, 1705193), (266, 1461594), (361, 1076964), (399, 974396), (532, 730797), (722, 538482), (798, 487198), (1083, 358988), (1444, 269241), (1596, 243599), (2166, 179494), (2527, 153852), (4332, 89747), (5054, 76926), (7581, 51284), (10108, 38463), (12821, 30324), (15162, 25642)]