78641766

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{9907}}^1$

素因数の和:9935

約数の個数: 60

約数和(自身を含む): 205006428

約数和(自身を除く): 126364662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938, 9907, 19814, 29721, 59442, 69349, 89163, 138698, 178326, 208047, 267489, 416094, 485443, 534978, 624141, 802467, 970886, 1248282, 1456329, 1604934, 1872423, 2912658, 3744846, 4368987, 5617269, 8737974, 11234538, 13106961, 26213922, 39320883, 78641766]

約数ペア:

[(1, 78641766), (2, 39320883), (3, 26213922), (6, 13106961), (7, 11234538), (9, 8737974), (14, 5617269), (18, 4368987), (21, 3744846), (27, 2912658), (42, 1872423), (49, 1604934), (54, 1456329), (63, 1248282), (81, 970886), (98, 802467), (126, 624141), (147, 534978), (162, 485443), (189, 416094), (294, 267489), (378, 208047), (441, 178326), (567, 138698), (882, 89163), (1134, 69349), (1323, 59442), (2646, 29721), (3969, 19814), (7938, 9907)]