28257424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1861}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 59799992

約数和(自身を除く): 31542568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1861, 1898, 3722, 3796, 7444, 7592, 14888, 15184, 24193, 29776, 48386, 96772, 135853, 193544, 271706, 387088, 543412, 1086824, 1766089, 2173648, 3532178, 7064356, 14128712, 28257424]

約数ペア:

[(1, 28257424), (2, 14128712), (4, 7064356), (8, 3532178), (13, 2173648), (16, 1766089), (26, 1086824), (52, 543412), (73, 387088), (104, 271706), (146, 193544), (208, 135853), (292, 96772), (584, 48386), (949, 29776), (1168, 24193), (1861, 15184), (1898, 14888), (3722, 7592), (3796, 7444)]