28561792

素因数分解:

$2^7\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37240448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 251, 254, 448, 502, 508, 889, 896, 1004, 1016, 1757, 1778, 2008, 2032, 3514, 3556, 4016, 4064, 7028, 7112, 8032, 8128, 14056, 14224, 16064, 16256, 28112, 28448, 31877, 32128, 56224, 56896, 63754, 112448, 113792, 127508, 223139, 224896, 255016, 446278, 510032, 892556, 1020064, 1785112, 2040128, 3570224, 4080256, 7140448, 14280896, 28561792]

約数ペア:

[(1, 28561792), (2, 14280896), (4, 7140448), (7, 4080256), (8, 3570224), (14, 2040128), (16, 1785112), (28, 1020064), (32, 892556), (56, 510032), (64, 446278), (112, 255016), (127, 224896), (128, 223139), (224, 127508), (251, 113792), (254, 112448), (448, 63754), (502, 56896), (508, 56224), (889, 32128), (896, 31877), (1004, 28448), (1016, 28112), (1757, 16256), (1778, 16064), (2008, 14224), (2032, 14056), (3514, 8128), (3556, 8032), (4016, 7112), (4064, 7028)]