647168

素因数分解:

$2^{13}\times {\mathrm{79}}^1$

素因数の和:105

約数の個数: 28

約数和(自身を含む): 1310640

約数和(自身を除く): 663472

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1024, 1264, 2048, 2528, 4096, 5056, 8192, 10112, 20224, 40448, 80896, 161792, 323584, 647168]

約数ペア:

[(1, 647168), (2, 323584), (4, 161792), (8, 80896), (16, 40448), (32, 20224), (64, 10112), (79, 8192), (128, 5056), (158, 4096), (256, 2528), (316, 2048), (512, 1264), (632, 1024)]