28207168

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 61813440

約数和(自身を除く): 33606272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 176, 206, 352, 389, 412, 704, 778, 824, 1133, 1556, 1648, 2266, 3112, 3296, 4279, 4532, 6224, 6592, 8558, 9064, 12448, 17116, 18128, 24896, 34232, 36256, 40067, 68464, 72512, 80134, 136928, 160268, 273856, 320536, 440737, 641072, 881474, 1282144, 1762948, 2564288, 3525896, 7051792, 14103584, 28207168]

約数ペア:

[(1, 28207168), (2, 14103584), (4, 7051792), (8, 3525896), (11, 2564288), (16, 1762948), (22, 1282144), (32, 881474), (44, 641072), (64, 440737), (88, 320536), (103, 273856), (176, 160268), (206, 136928), (352, 80134), (389, 72512), (412, 68464), (704, 40067), (778, 36256), (824, 34232), (1133, 24896), (1556, 18128), (1648, 17116), (2266, 12448), (3112, 9064), (3296, 8558), (4279, 6592), (4532, 6224)]