31124368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 66558240

約数和(自身を除く): 35433872

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 1987, 3916, 3974, 7832, 7948, 15664, 15896, 21857, 31792, 43714, 87428, 174856, 176843, 349712, 353686, 707372, 1414744, 1945273, 2829488, 3890546, 7781092, 15562184, 31124368]

約数ペア:

[(1, 31124368), (2, 15562184), (4, 7781092), (8, 3890546), (11, 2829488), (16, 1945273), (22, 1414744), (44, 707372), (88, 353686), (89, 349712), (176, 176843), (178, 174856), (356, 87428), (712, 43714), (979, 31792), (1424, 21857), (1958, 15896), (1987, 15664), (3916, 7948), (3974, 7832)]