128512048

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 302480640

約数和(自身を除く): 173968592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 131, 133, 152, 262, 266, 304, 461, 524, 532, 917, 922, 1048, 1064, 1834, 1844, 2096, 2128, 2489, 3227, 3668, 3688, 4978, 6454, 7336, 7376, 8759, 9956, 12908, 14672, 17423, 17518, 19912, 25816, 34846, 35036, 39824, 51632, 60391, 61313, 69692, 70072, 120782, 122626, 139384, 140144, 241564, 245252, 278768, 422737, 483128, 490504, 845474, 966256, 981008, 1147429, 1690948, 2294858, 3381896, 4589716, 6763792, 8032003, 9179432, 16064006, 18358864, 32128012, 64256024, 128512048]

約数ペア:

[(1, 128512048), (2, 64256024), (4, 32128012), (7, 18358864), (8, 16064006), (14, 9179432), (16, 8032003), (19, 6763792), (28, 4589716), (38, 3381896), (56, 2294858), (76, 1690948), (112, 1147429), (131, 981008), (133, 966256), (152, 845474), (262, 490504), (266, 483128), (304, 422737), (461, 278768), (524, 245252), (532, 241564), (917, 140144), (922, 139384), (1048, 122626), (1064, 120782), (1834, 70072), (1844, 69692), (2096, 61313), (2128, 60391), (2489, 51632), (3227, 39824), (3668, 35036), (3688, 34846), (4978, 25816), (6454, 19912), (7336, 17518), (7376, 17423), (8759, 14672), (9956, 12908)]