28489318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 25507226

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 61, 71, 122, 142, 143, 253, 286, 299, 506, 598, 671, 781, 793, 923, 1342, 1403, 1562, 1586, 1633, 1846, 2806, 3266, 3289, 4331, 6578, 8662, 8723, 10153, 15433, 17446, 17963, 18239, 20306, 21229, 30866, 35926, 36478, 42458, 47641, 56303, 95282, 99613, 112606, 199226, 200629, 233519, 401258, 467038, 619333, 1095743, 1238666, 1294969, 2191486, 2589938, 14244659, 28489318]

約数ペア:

[(1, 28489318), (2, 14244659), (11, 2589938), (13, 2191486), (22, 1294969), (23, 1238666), (26, 1095743), (46, 619333), (61, 467038), (71, 401258), (122, 233519), (142, 200629), (143, 199226), (253, 112606), (286, 99613), (299, 95282), (506, 56303), (598, 47641), (671, 42458), (781, 36478), (793, 35926), (923, 30866), (1342, 21229), (1403, 20306), (1562, 18239), (1586, 17963), (1633, 17446), (1846, 15433), (2806, 10153), (3266, 8723), (3289, 8662), (4331, 6578)]