12667904

素因数分解:

$2^{10}\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 44

約数和(自身を含む): 25792200

約数和(自身を除く): 13124296

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 139, 178, 256, 278, 356, 512, 556, 712, 1024, 1112, 1424, 2224, 2848, 4448, 5696, 8896, 11392, 12371, 17792, 22784, 24742, 35584, 45568, 49484, 71168, 91136, 98968, 142336, 197936, 395872, 791744, 1583488, 3166976, 6333952, 12667904]

約数ペア:

[(1, 12667904), (2, 6333952), (4, 3166976), (8, 1583488), (16, 791744), (32, 395872), (64, 197936), (89, 142336), (128, 98968), (139, 91136), (178, 71168), (256, 49484), (278, 45568), (356, 35584), (512, 24742), (556, 22784), (712, 17792), (1024, 12371), (1112, 11392), (1424, 8896), (2224, 5696), (2848, 4448)]