266976828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{20543}}^1$

素因数の和:20591

約数の個数: 54

約数和(自身を含む): 712281024

約数和(自身を除く): 445304196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 12996, 20543, 41086, 61629, 82172, 123258, 184887, 246516, 369774, 390317, 739548, 780634, 1170951, 1561268, 2341902, 3512853, 4683804, 7025706, 7416023, 14051412, 14832046, 22248069, 29664092, 44496138, 66744207, 88992276, 133488414, 266976828]

約数ペア:

[(1, 266976828), (2, 133488414), (3, 88992276), (4, 66744207), (6, 44496138), (9, 29664092), (12, 22248069), (18, 14832046), (19, 14051412), (36, 7416023), (38, 7025706), (57, 4683804), (76, 3512853), (114, 2341902), (171, 1561268), (228, 1170951), (342, 780634), (361, 739548), (684, 390317), (722, 369774), (1083, 246516), (1444, 184887), (2166, 123258), (3249, 82172), (4332, 61629), (6498, 41086), (12996, 20543)]