257324392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2474273}}^1$

素因数の和:2474292

約数の個数: 16

約数和(自身を含む): 519597540

約数和(自身を除く): 262273148

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2474273, 4948546, 9897092, 19794184, 32165549, 64331098, 128662196, 257324392]

約数ペア:

[(1, 257324392), (2, 128662196), (4, 64331098), (8, 32165549), (13, 19794184), (26, 9897092), (52, 4948546), (104, 2474273)]