28864136

素因数分解:

$2^3\times 7^3\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 64464000

約数和(自身を除く): 35599864

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 134, 157, 196, 268, 314, 343, 392, 469, 536, 628, 686, 938, 1099, 1256, 1372, 1876, 2198, 2744, 3283, 3752, 4396, 6566, 7693, 8792, 10519, 13132, 15386, 21038, 22981, 26264, 30772, 42076, 45962, 53851, 61544, 73633, 84152, 91924, 107702, 147266, 183848, 215404, 294532, 430808, 515431, 589064, 1030862, 2061724, 3608017, 4123448, 7216034, 14432068, 28864136]

約数ペア:

[(1, 28864136), (2, 14432068), (4, 7216034), (7, 4123448), (8, 3608017), (14, 2061724), (28, 1030862), (49, 589064), (56, 515431), (67, 430808), (98, 294532), (134, 215404), (157, 183848), (196, 147266), (268, 107702), (314, 91924), (343, 84152), (392, 73633), (469, 61544), (536, 53851), (628, 45962), (686, 42076), (938, 30772), (1099, 26264), (1256, 22981), (1372, 21038), (1876, 15386), (2198, 13132), (2744, 10519), (3283, 8792), (3752, 7693), (4396, 6566)]