1901825536

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{285731}}^1$

素因数の和:285762

約数の個数: 40

約数和(自身を含む): 4092253704

約数和(自身を除く): 2190428168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 285731, 571462, 1142924, 2285848, 3714503, 4571696, 7429006, 9143392, 14858012, 18286784, 29716024, 36573568, 59432048, 73147136, 118864096, 146294272, 237728192, 475456384, 950912768, 1901825536]

約数ペア:

[(1, 1901825536), (2, 950912768), (4, 475456384), (8, 237728192), (13, 146294272), (16, 118864096), (26, 73147136), (32, 59432048), (52, 36573568), (64, 29716024), (104, 18286784), (128, 14858012), (208, 9143392), (256, 7429006), (416, 4571696), (512, 3714503), (832, 2285848), (1664, 1142924), (3328, 571462), (6656, 285731)]