398465176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 823474080

約数和(自身を除く): 425008904

約数列:

[1, 2, 4, 8, 17, 34, 43, 61, 68, 86, 122, 136, 172, 244, 344, 488, 731, 1037, 1117, 1462, 2074, 2234, 2623, 2924, 4148, 4468, 5246, 5848, 8296, 8936, 10492, 18989, 20984, 37978, 44591, 48031, 68137, 75956, 89182, 96062, 136274, 151912, 178364, 192124, 272548, 356728, 384248, 545096, 816527, 1158329, 1633054, 2316658, 2929891, 3266108, 4633316, 5859782, 6532216, 9266632, 11719564, 23439128, 49808147, 99616294, 199232588, 398465176]

約数ペア:

[(1, 398465176), (2, 199232588), (4, 99616294), (8, 49808147), (17, 23439128), (34, 11719564), (43, 9266632), (61, 6532216), (68, 5859782), (86, 4633316), (122, 3266108), (136, 2929891), (172, 2316658), (244, 1633054), (344, 1158329), (488, 816527), (731, 545096), (1037, 384248), (1117, 356728), (1462, 272548), (2074, 192124), (2234, 178364), (2623, 151912), (2924, 136274), (4148, 96062), (4468, 89182), (5246, 75956), (5848, 68137), (8296, 48031), (8936, 44591), (10492, 37978), (18989, 20984)]