397131216

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 1043558208

約数和(自身を除く): 646426992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 137, 262, 274, 393, 411, 461, 524, 548, 786, 822, 922, 1048, 1096, 1383, 1572, 1644, 1844, 2096, 2192, 2766, 3144, 3288, 3688, 5532, 6288, 6576, 7376, 11064, 17947, 22128, 35894, 53841, 60391, 63157, 71788, 107682, 120782, 126314, 143576, 181173, 189471, 215364, 241564, 252628, 287152, 362346, 378942, 430728, 483128, 505256, 724692, 757884, 861456, 966256, 1010512, 1449384, 1515768, 2898768, 3031536, 8273567, 16547134, 24820701, 33094268, 49641402, 66188536, 99282804, 132377072, 198565608, 397131216]

約数ペア:

[(1, 397131216), (2, 198565608), (3, 132377072), (4, 99282804), (6, 66188536), (8, 49641402), (12, 33094268), (16, 24820701), (24, 16547134), (48, 8273567), (131, 3031536), (137, 2898768), (262, 1515768), (274, 1449384), (393, 1010512), (411, 966256), (461, 861456), (524, 757884), (548, 724692), (786, 505256), (822, 483128), (922, 430728), (1048, 378942), (1096, 362346), (1383, 287152), (1572, 252628), (1644, 241564), (1844, 215364), (2096, 189471), (2192, 181173), (2766, 143576), (3144, 126314), (3288, 120782), (3688, 107682), (5532, 71788), (6288, 63157), (6576, 60391), (7376, 53841), (11064, 35894), (17947, 22128)]