258462208

素因数分解:

$2^9\times {\mathrm{181}}^1\times {\mathrm{2789}}^1$

素因数の和:2988

約数の個数: 40

約数和(自身を含む): 519458940

約数和(自身を除く): 260996732

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 256, 362, 512, 724, 1448, 2789, 2896, 5578, 5792, 11156, 11584, 22312, 23168, 44624, 46336, 89248, 92672, 178496, 356992, 504809, 713984, 1009618, 1427968, 2019236, 4038472, 8076944, 16153888, 32307776, 64615552, 129231104, 258462208]

約数ペア:

[(1, 258462208), (2, 129231104), (4, 64615552), (8, 32307776), (16, 16153888), (32, 8076944), (64, 4038472), (128, 2019236), (181, 1427968), (256, 1009618), (362, 713984), (512, 504809), (724, 356992), (1448, 178496), (2789, 92672), (2896, 89248), (5578, 46336), (5792, 44624), (11156, 23168), (11584, 22312)]