268550919

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 490897680

約数和(自身を除く): 222346761

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 139, 147, 273, 337, 417, 441, 637, 819, 973, 1011, 1251, 1807, 1911, 2359, 2919, 3033, 4381, 5421, 5733, 6811, 7077, 8757, 12649, 13143, 16263, 16513, 20433, 21231, 30667, 37947, 39429, 46843, 49539, 61299, 88543, 92001, 113841, 140529, 148617, 214669, 265629, 276003, 327901, 421587, 608959, 644007, 796887, 983703, 1826877, 1932021, 2295307, 2951109, 4262713, 5480631, 6885921, 12788139, 20657763, 29838991, 38364417, 89516973, 268550919]

約数ペア:

[(1, 268550919), (3, 89516973), (7, 38364417), (9, 29838991), (13, 20657763), (21, 12788139), (39, 6885921), (49, 5480631), (63, 4262713), (91, 2951109), (117, 2295307), (139, 1932021), (147, 1826877), (273, 983703), (337, 796887), (417, 644007), (441, 608959), (637, 421587), (819, 327901), (973, 276003), (1011, 265629), (1251, 214669), (1807, 148617), (1911, 140529), (2359, 113841), (2919, 92001), (3033, 88543), (4381, 61299), (5421, 49539), (5733, 46843), (6811, 39429), (7077, 37947), (8757, 30667), (12649, 21231), (13143, 20433), (16263, 16513)]