638763732

素因数分解:

$2^2\times 3^4\times {\mathrm{199}}^1\times {\mathrm{9907}}^1$

素因数の和:10122

約数の個数: 60

約数和(自身を含む): 1678415200

約数和(自身を除く): 1039651468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 324, 398, 597, 796, 1194, 1791, 2388, 3582, 5373, 7164, 9907, 10746, 16119, 19814, 21492, 29721, 32238, 39628, 59442, 64476, 89163, 118884, 178326, 267489, 356652, 534978, 802467, 1069956, 1604934, 1971493, 3209868, 3942986, 5914479, 7885972, 11828958, 17743437, 23657916, 35486874, 53230311, 70973748, 106460622, 159690933, 212921244, 319381866, 638763732]

約数ペア:

[(1, 638763732), (2, 319381866), (3, 212921244), (4, 159690933), (6, 106460622), (9, 70973748), (12, 53230311), (18, 35486874), (27, 23657916), (36, 17743437), (54, 11828958), (81, 7885972), (108, 5914479), (162, 3942986), (199, 3209868), (324, 1971493), (398, 1604934), (597, 1069956), (796, 802467), (1194, 534978), (1791, 356652), (2388, 267489), (3582, 178326), (5373, 118884), (7164, 89163), (9907, 64476), (10746, 59442), (16119, 39628), (19814, 32238), (21492, 29721)]