1209856

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:174

約数の個数: 40

約数和(自身を含む): 2577960

約数和(自身を除く): 1368104

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 139, 256, 272, 278, 512, 544, 556, 1088, 1112, 2176, 2224, 2363, 4352, 4448, 4726, 8704, 8896, 9452, 17792, 18904, 35584, 37808, 71168, 75616, 151232, 302464, 604928, 1209856]

約数ペア:

[(1, 1209856), (2, 604928), (4, 302464), (8, 151232), (16, 75616), (17, 71168), (32, 37808), (34, 35584), (64, 18904), (68, 17792), (128, 9452), (136, 8896), (139, 8704), (256, 4726), (272, 4448), (278, 4352), (512, 2363), (544, 2224), (556, 2176), (1088, 1112)]