258149008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23417}}^1$

素因数の和:23491

約数の個数: 40

約数和(自身を含む): 548824248

約数和(自身を除く): 290675240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 23417, 46834, 93668, 187336, 304421, 374672, 608842, 1217684, 1241101, 2435368, 2482202, 4870736, 4964404, 9928808, 16134313, 19857616, 32268626, 64537252, 129074504, 258149008]

約数ペア:

[(1, 258149008), (2, 129074504), (4, 64537252), (8, 32268626), (13, 19857616), (16, 16134313), (26, 9928808), (52, 4964404), (53, 4870736), (104, 2482202), (106, 2435368), (208, 1241101), (212, 1217684), (424, 608842), (689, 374672), (848, 304421), (1378, 187336), (2756, 93668), (5512, 46834), (11024, 23417)]