28916468

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 62358912

約数和(自身を除く): 33442444

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 49, 73, 86, 94, 98, 146, 172, 188, 196, 292, 301, 329, 511, 602, 658, 1022, 1204, 1316, 2021, 2044, 2107, 2303, 3139, 3431, 3577, 4042, 4214, 4606, 6278, 6862, 7154, 8084, 8428, 9212, 12556, 13724, 14147, 14308, 21973, 24017, 28294, 43946, 48034, 56588, 87892, 96068, 99029, 147533, 153811, 168119, 198058, 295066, 307622, 336238, 396116, 590132, 615244, 672476, 1032731, 2065462, 4130924, 7229117, 14458234, 28916468]

約数ペア:

[(1, 28916468), (2, 14458234), (4, 7229117), (7, 4130924), (14, 2065462), (28, 1032731), (43, 672476), (47, 615244), (49, 590132), (73, 396116), (86, 336238), (94, 307622), (98, 295066), (146, 198058), (172, 168119), (188, 153811), (196, 147533), (292, 99029), (301, 96068), (329, 87892), (511, 56588), (602, 48034), (658, 43946), (1022, 28294), (1204, 24017), (1316, 21973), (2021, 14308), (2044, 14147), (2107, 13724), (2303, 12556), (3139, 9212), (3431, 8428), (3577, 8084), (4042, 7154), (4214, 6862), (4606, 6278)]