1668763136

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{41257}}^1$

素因数の和:41354

約数の個数: 40

約数和(自身を含む): 3376554720

約数和(自身を除く): 1707791584

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1264, 2528, 5056, 10112, 20224, 40448, 41257, 82514, 165028, 330056, 660112, 1320224, 2640448, 3259303, 5280896, 6518606, 10561792, 13037212, 21123584, 26074424, 52148848, 104297696, 208595392, 417190784, 834381568, 1668763136]

約数ペア:

[(1, 1668763136), (2, 834381568), (4, 417190784), (8, 208595392), (16, 104297696), (32, 52148848), (64, 26074424), (79, 21123584), (128, 13037212), (158, 10561792), (256, 6518606), (316, 5280896), (512, 3259303), (632, 2640448), (1264, 1320224), (2528, 660112), (5056, 330056), (10112, 165028), (20224, 82514), (40448, 41257)]