28814456

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 63696360

約数和(自身を除く): 34881904

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 103, 121, 136, 187, 206, 242, 289, 374, 412, 484, 578, 748, 824, 968, 1133, 1156, 1496, 1751, 2057, 2266, 2312, 3179, 3502, 4114, 4532, 6358, 7004, 8228, 9064, 12463, 12716, 14008, 16456, 19261, 24926, 25432, 29767, 34969, 38522, 49852, 59534, 69938, 77044, 99704, 119068, 139876, 154088, 211871, 238136, 279752, 327437, 423742, 654874, 847484, 1309748, 1694968, 2619496, 3601807, 7203614, 14407228, 28814456]

約数ペア:

[(1, 28814456), (2, 14407228), (4, 7203614), (8, 3601807), (11, 2619496), (17, 1694968), (22, 1309748), (34, 847484), (44, 654874), (68, 423742), (88, 327437), (103, 279752), (121, 238136), (136, 211871), (187, 154088), (206, 139876), (242, 119068), (289, 99704), (374, 77044), (412, 69938), (484, 59534), (578, 49852), (748, 38522), (824, 34969), (968, 29767), (1133, 25432), (1156, 24926), (1496, 19261), (1751, 16456), (2057, 14008), (2266, 12716), (2312, 12463), (3179, 9064), (3502, 8228), (4114, 7004), (4532, 6358)]